Map
From ETHW
Revision as of 17:57, 21 January 2015 by Administrator1 (talk | contribs)
Jump to:navigation, search
Legend
| Description | Marker |
|---|---|
| IEEE Milestones |  |
| ASME Landmarks |  |
| ASCE Landmarks |  |
| Multiple points -- zoom to see more |  |
Innovation Map
Loading map...
{"format":"googlemaps3","type":"HYBRID","minzoom":false,"maxzoom":false,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"limit":50,"offset":0,"link":"all","sort":[""],"order":[],"headers":"show","mainlabel":"","intro":"","outro":"","searchlabel":"... further results","default":"","import-annotation":false,"width":"auto","height":"700px","centre":false,"title":"","label":"","icon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"visitedicon":"","wmsoverlay":false,"zoom":2,"layers":[],"controls":["pan","zoom","type","scale","streetview","rotate"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"resizable":false,"kmlrezoom":false,"poi":true,"cluster":true,"clustergridsize":60,"clustermaxzoom":20,"clusterzoomonclick":true,"clusteraveragecenter":true,"clusterminsize":2,"imageoverlays":[],"kml":[],"gkml":[],"searchmarkers":"","fullscreen":false,"scrollwheelzoom":false,"showtitle":true,"hidenamespace":true,"template":"","userparam":"","activeicon":"","pagelabel":false,"ajaxcoordproperty":"","ajaxquery":"","locations":[{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:19th_Century_Textile_Tools_and_Machinery_Collection\" title=\"ASME-Landmark:19th Century Textile Tools and Machinery Collection\"\u003E19th Century Textile Tools and Machinery Collection\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EDuring the eighteenth and nineteenth centu\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"During the eighteenth and nineteenth centuries, textile manufacture was the catalyst for the Industrial Revolution in America. It was the leading edge in the transformation from an agricultural to a manufacturing economy and started the move of significant numbers of people from rural areas to urban centers. With industrialization came a change in the way people worked. No longer controlled by natural rhythms, the workday demanded a life governed by the factory bell. On the consumer side, industrialization transformed textiles from one of a person\u0026#039;s most valuable possessions to a product widely available at incredibly low prices.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EDuring the eighteenth and nineteenth centuries, textile manufacture was the catalyst for the Industrial Revolution in America. It was the leading edge in the transformation from an agricultural to a manufacturing economy and started the move of significant numbers of people from rural areas to urban centers. With industrialization came a change in the way people worked. No longer controlled by natural rhythms, the workday demanded a life governed by the factory bell. On the consumer side, industrialization transformed textiles from one of a person's most valuable possessions to a product widely available at incredibly low prices.\u003C/span\u003E\u003C/span\u003Ewidely available at incredibly low prices.","title":"19th Century Textile Tools and Machinery Collection","link":"","lat":42.641971,"lon":-71.317037,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:A.B._Wood_Screw_Pump\" title=\"ASME-Landmark:A.B. Wood Screw Pump\"\u003EA.B. Wood Screw Pump\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn the early 20th century, New Orleans, wi\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In the early 20th century, New Orleans, with its water table several feet below ground level, faced a crisis after every heavy rainfall\u2014not just through the flooding that continues to imperil the city today, but also through yellow fever, malaria, and other disease caused by impure water. Drainage in New Orleans meant lifting every inch of rainfall out of the city mechanically and lifting it over protective levees\u2014a process that was never successful until the screw pump was developed by A. Baldwin Wood (1879-1956) in 1912.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn the early 20th century, New Orleans, with its water table several feet below ground level, faced a crisis after every heavy rainfall\u2014not just through the flooding that continues to imperil the city today, but also through yellow fever, malaria, and other disease caused by impure water. Drainage in New Orleans meant lifting every inch of rainfall out of the city mechanically and lifting it over protective levees\u2014a process that was never successful until the screw pump was developed by A. Baldwin Wood (1879-1956) in 1912.\u003C/span\u003E\u003C/span\u003Eed by A. Baldwin Wood (1879-1956) in 1912.","title":"A.B. Wood Screw Pump","link":"","lat":29.944524,"lon":-90.071726,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:AAR_Railroad-Wheel_Dynamometer\" title=\"ASME-Landmark:AAR Railroad-Wheel Dynamometer\"\u003EAAR Railroad-Wheel Dynamometer\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAn inertia dynamometer is used to test rai\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"An inertia dynamometer is used to test railroad wheels under controlled conditions that can greatly exceed normal service. The dynamometer at the Association of American Railroads (AAR), built in 1955, is the first and only railroad dynamometer to test track wheels using vertical and lateral loads, as well as thermal braking loads, at the wheel rim. It can also test railway car and locomotive axles.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EAn inertia dynamometer is used to test railroad wheels under controlled conditions that can greatly exceed normal service. The dynamometer at the Association of American Railroads (AAR), built in 1955, is the first and only railroad dynamometer to test track wheels using vertical and lateral loads, as well as thermal braking loads, at the wheel rim. It can also test railway car and locomotive axles.\u003C/span\u003E\u003C/span\u003Elso test railway car and locomotive axles.","title":"AAR Railroad-Wheel Dynamometer","link":"","lat":38.433428,"lon":-104.284286,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:ABACUS_II_Integrated-Circuit_Wire_Bonder\" title=\"ASME-Landmark:ABACUS II Integrated-Circuit Wire Bonder\"\u003EABACUS II Integrated-Circuit Wire Bonder\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ETI's early ABACUS (\"Alloy, Bond, Assembly \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"TI\u0026#039;s early ABACUS (\u0026quot;Alloy, Bond, Assembly Concept, Universal System\u0026quot;) models remained too costly to build and lacked reliability. The ABACUS II project was begun in late 1971. This all-new automatic wire bonder was to be controlled by the recently announced TI960A computer, a powerful and inexpensive \u0026quot;bit-pusher\u0026quot; process-control computer. By 1972, ABACUS II was on the market as the first practical automated production machine for the assembly of integrated circuits. Using heat and pressure, it bonded fine gold wire to microscopic contacts on the silicon chip and pin connections on the package. The ABACUS II could maintain a positioning accuracy of \u00b1 0.00025 inch while bonding up to 375 devices an hour.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003ETI's early ABACUS (\"Alloy, Bond, Assembly Concept, Universal System\") models remained too costly to build and lacked reliability. The ABACUS II project was begun in late 1971. This all-new automatic wire bonder was to be controlled by the recently announced TI960A computer, a powerful and inexpensive \"bit-pusher\" process-control computer. By 1972, ABACUS II was on the market as the first practical automated production machine for the assembly of integrated circuits. Using heat and pressure, it bonded fine gold wire to microscopic contacts on the silicon chip and pin connections on the package. The ABACUS II could maintain a positioning accuracy of \u00b1 0.00025 inch while bonding up to 375 devices an hour.\u003C/span\u003E\u003C/span\u003Eh while bonding up to 375 devices an hour.","title":"ABACUS II Integrated-Circuit Wire Bonder","link":"","lat":32.911477,"lon":-96.753029,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:AC_Electrification_of_the_New_York,_New_Haven,_%26_Hartford_Railroad\" title=\"ASME-Landmark:AC Electrification of the New York, New Haven, \u0026amp; Hartford Railroad\"\u003EAC Electrification of the New York, New Haven, \u0026amp; Hartford Railroad\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EOn July 24, 1907, the first regular train to be operated under electric power completed a trip from Grand Central to New Rochelle, New York. Electrification was extended to Stamford in October of 1907.","title":"AC Electrification of the New York, New Haven, \u0026 Hartford Railroad","link":"","lat":41.029444,"lon":-73.597222,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:ALCOA_50,000-Ton_Hydraulic_Forging_Press\" title=\"ASME-Landmark:ALCOA 50,000-Ton Hydraulic Forging Press\"\u003EALCOA 50,000-Ton Hydraulic Forging Press\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe ALCOA 50,000-ton die-forging press is \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The ALCOA 50,000-ton die-forging press is among the largest fabrication tools in the world. It was designed and built for the U.S. Air Force by the Mesta Machine Company of Pittsburgh, following the discovery a 30,000-ton press used by the Germans in World War II (and later acquired by the Soviet Union).\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe ALCOA 50,000-ton die-forging press is among the largest fabrication tools in the world. It was designed and built for the U.S. Air Force by the Mesta Machine Company of Pittsburgh, following the discovery a 30,000-ton press used by the Germans in World War II (and later acquired by the Soviet Union).\u003C/span\u003E\u003C/span\u003E (and later acquired by the Soviet Union).","title":"ALCOA 50,000-Ton Hydraulic Forging Press","link":"","lat":41.447469,"lon":-81.675818,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:ASME_Boiler_and_Pressure_Vessel_Code\" title=\"ASME-Landmark:ASME Boiler and Pressure Vessel Code\"\u003EASME Boiler and Pressure Vessel Code\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EPublished in 1914-15, the ASME Boiler and \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Published in 1914-15, the ASME Boiler and Pressure Vessel Code (BPVC) was the first comprehensive standard for the design, construction, inspection, and testing of boilers and pressure vessels. With adoption in the United States and use in many countries, it has contributed significantly to public safety and influenced the continued development of boiler and pressure vessel technology.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EPublished in 1914-15, the ASME Boiler and Pressure Vessel Code (BPVC) was the first comprehensive standard for the design, construction, inspection, and testing of boilers and pressure vessels. With adoption in the United States and use in many countries, it has contributed significantly to public safety and influenced the continued development of boiler and pressure vessel technology.\u003C/span\u003E\u003C/span\u003E of boiler and pressure vessel technology.","title":"ASME Boiler and Pressure Vessel Code","link":"","lat":42.303125,"lon":-83.233141,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:A_.O._Smith_Automatic_Frame_Plant\" title=\"ASME-Landmark:A .O. Smith Automatic Frame Plant\"\u003EA .O. Smith Automatic Frame Plant\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBuilt in 1920, the A.O. Smith Corporation'\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Built in 1920, the A.O. Smith Corporation\u0026#039;s automated automobile frame factory\u2014which took 6 years of labor and $8,000,000 to build\u2014began production May 23, 1921, and operated until June 24, 1958. Known as the \u0026quot; Mechanical Marvel,\u0026quot; it achieved a manufacturing output of better than one frame every six seconds, or 10,000 frames a day.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EBuilt in 1920, the A.O. Smith Corporation's automated automobile frame factory\u2014which took 6 years of labor and $8,000,000 to build\u2014began production May 23, 1921, and operated until June 24, 1958. Known as the \" Mechanical Marvel,\" it achieved a manufacturing output of better than one frame every six seconds, or 10,000 frames a day.\u003C/span\u003E\u003C/span\u003Eevery six seconds, or 10,000 frames a day.","title":"A .O. Smith Automatic Frame Plant","link":"","lat":43.0818,"lon":-87.948729,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Aberdeen_Range,_Aberdeen_Proving_Ground\" title=\"ASME-Landmark:Aberdeen Range, Aberdeen Proving Ground\"\u003EAberdeen Range, Aberdeen Proving Ground\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EDuring the 1930's, research into advanced ballistic measurement techniques began at Aberdeen Proving Ground\u2014the world's first large-scale, fully-instrumented ballistic range producing data on the aerodynamic characteristics of missiles in free flight.","title":"Aberdeen Range, Aberdeen Proving Ground","link":"","lat":39.445212,"lon":-76.157005,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Acequias_of_San_Antonio,_1718-1744\" title=\"ASCE-Landmark:Acequias of San Antonio, 1718-1744\"\u003EAcequias of San Antonio, 1718-1744\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Acequias of San Antonio represents one of the earliest uses of engineered water supply and irrigation systems in the United States.","title":"Acequias of San Antonio, 1718-1744","link":"","lat":29.30455556,"lon":-98.46944444,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Acquedotto_Traiano-Paolo,_109-110\" title=\"ASCE-Landmark:Acquedotto Traiano-Paolo, 109-110\"\u003EAcquedotto Traiano-Paolo, 109-110\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Acquedotto Traiano-Paolo, the original aqueduct built by the Emperor Trajan, circa 110 AD, was a symbol of the advanced infrastructure of ancient Rome. It continues to provide water for the fountains of Rome.","title":"Acquedotto Traiano-Paolo, 109-110","link":"","lat":41.9,"lon":12.5,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Acueduto_de_Queretaro,_1726-1738\" title=\"ASCE-Landmark:Acueduto de Queretaro, 1726-1738\"\u003EAcueduto de Queretaro, 1726-1738\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Acueducto de Queretaro, one of Mexico\u2019s most important monuments, provided a dependable supply of clean water to the city of Queretaro, Mexico. It is still virtually intact.","title":"Acueduto de Queretaro, 1726-1738","link":"","lat":20.43,"lon":-100.4633333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Acueduto_de_Segovia,_1_-_99_AD\" title=\"ASCE-Landmark:Acueduto de Segovia, 1 - 99 AD\"\u003EAcueduto de Segovia, 1 - 99 AD\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EOne of the best preserved Roman constructions,the Roman Aqueduct at Segovia was still in use as recently as the mid-20th century and remains standing only through an equilibrium of forces.","title":"Acueduto de Segovia, 1 - 99 AD","link":"","lat":40.95,"lon":-4.166666667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Advanced_Engine_Test_Facility_at_Marshall\" title=\"ASME-Landmark:Advanced Engine Test Facility at Marshall\"\u003EAdvanced Engine Test Facility at Marshall\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Advanced Engine Test Facility was buil\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Advanced Engine Test Facility was built in 1964, three years after President John F. Kennedy committed the United States to world leadership in aeronautical science. Conceived and designed by Wernher von Braun, the first director of the Marshall Space Flight Center, this facility was used to perform static tests on the booster of the Saturn V rocket, which launched Apollo 11 to the moon on July 16, 1969.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Advanced Engine Test Facility was built in 1964, three years after President John F. Kennedy committed the United States to world leadership in aeronautical science. Conceived and designed by Wernher von Braun, the first director of the Marshall Space Flight Center, this facility was used to perform static tests on the booster of the Saturn V rocket, which launched Apollo 11 to the moon on July 16, 1969.\u003C/span\u003E\u003C/span\u003Eed Apollo 11 to the moon on July 16, 1969.","title":"Advanced Engine Test Facility at Marshall","link":"","lat":34.649013,"lon":-86.669008,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Alaska_Highway,_1942\" title=\"ASCE-Landmark:Alaska Highway, 1942\"\u003EAlaska Highway, 1942\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBuilt in just eight months, the 2500 km (1\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Built in just eight months, the 2500 km (1570 miles) Alaska Highway was a significant feat of time-critical engineering and construction. Besides being completed much sooner than expected, it was the largest undertaking at the time for a cold-regions construction project.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EBuilt in just eight months, the 2500 km (1570 miles) Alaska Highway was a significant feat of time-critical engineering and construction. Besides being completed much sooner than expected, it was the largest undertaking at the time for a cold-regions construction project.\u003C/span\u003E\u003C/span\u003Ee for a cold-regions construction project.","title":"Alaska Highway, 1942","link":"","lat":55.73333333,"lon":-120.2166667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Alden_Research_Laboratory_Rotating_Boom\" title=\"ASME-Landmark:Alden Research Laboratory Rotating Boom\"\u003EAlden Research Laboratory Rotating Boom\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn need of a moving test stand for hydraulic experiments and for rating current meters, Professor Charles Metcalf Allen, head of the Alden Hydraulic Laboratory from 1896 to 1950, designed a rotating test boom in 1908.","title":"Alden Research Laboratory Rotating Boom","link":"","lat":42.337074,"lon":-71.83433,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Allegheny_Portage_Railroad,_1834\" title=\"ASCE-Landmark:Allegheny Portage Railroad, 1834\"\u003EAllegheny Portage Railroad, 1834\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EA 36-mile railroad project, the Allegheny Portage RR included the first railroad tunnel in the United States, 10 double-track inclined planes and 4 viaducts.","title":"Allegheny Portage Railroad, 1834","link":"","lat":40.45416667,"lon":-78.54027778,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Alligator_Amphibian\" title=\"ASME-Landmark:Alligator Amphibian\"\u003EAlligator Amphibian\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EDonald Roebling, a grandson of Colonel Was\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Donald Roebling, a grandson of Colonel Washington Roebling (designer of the Brooklyn Bridge), built an amphibian tractor to rescue victims of Florida\u0026#039;s devastating hurricanes (particularly those in 1926, 1928, and 1932 that hit southern Florida). Nicknamed the \u0026quot;Alligator,\u0026quot; the aluminum tractor was being marketed as a vehicle for oil exploration when it came to the attention of the United States Marine Corps, which was searching for a vehicle that could cross the coral reefs encircling many of the Pacific Islands. It was modified for use as a ship-to-shore transport for people and supplies during World War II.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EDonald Roebling, a grandson of Colonel Washington Roebling (designer of the Brooklyn Bridge), built an amphibian tractor to rescue victims of Florida's devastating hurricanes (particularly those in 1926, 1928, and 1932 that hit southern Florida). Nicknamed the \"Alligator,\" the aluminum tractor was being marketed as a vehicle for oil exploration when it came to the attention of the United States Marine Corps, which was searching for a vehicle that could cross the coral reefs encircling many of the Pacific Islands. It was modified for use as a ship-to-shore transport for people and supplies during World War II.\u003C/span\u003E\u003C/span\u003Er people and supplies during World War II.","title":"Alligator Amphibian","link":"","lat":38.54402,"lon":-77.343278,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Alvord_Lake_Bridge,_1889\" title=\"ASCE-Landmark:Alvord Lake Bridge, 1889\"\u003EAlvord Lake Bridge, 1889\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Alvord Lake Bridge, located in San Francisco\u2019s Golden Gate Park, was the first reinforced concrete bridge built in the United States","title":"Alvord Lake Bridge, 1889","link":"","lat":37.76972222,"lon":-122.4769444,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:American_Precision_Museum\" title=\"ASME-Landmark:American Precision Museum\"\u003EAmerican Precision Museum\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe American Precision Museum, founded in \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The American Precision Museum, founded in 1966, is housed in the original 1846 Robbins \u0026amp; Lawrence Armory (National Engineering Landmark #120). The firm Robbins and Lawrence, which fulfilled a contract for 25,000 U.S. Army rifles and a like quantity for the British government, was the first to achieve interchangeability of parts on a fully practical level. This was made possible by the systematic improvement and refinement of existing standard and special-purpose machine tools, enabling them to perform with the close-limit precision essential for repeatability and then interchangeability. The firm simultaneously introduced the milling machine and the turret lathe into routine commercial usage for production manufacturing.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe American Precision Museum, founded in 1966, is housed in the original 1846 Robbins \u0026 Lawrence Armory (National Engineering Landmark #120). The firm Robbins and Lawrence, which fulfilled a contract for 25,000 U.S. Army rifles and a like quantity for the British government, was the first to achieve interchangeability of parts on a fully practical level. This was made possible by the systematic improvement and refinement of existing standard and special-purpose machine tools, enabling them to perform with the close-limit precision essential for repeatability and then interchangeability. The firm simultaneously introduced the milling machine and the turret lathe into routine commercial usage for production manufacturing.\u003C/span\u003E\u003C/span\u003Ecommercial usage for production manufacturing.","title":"American Precision Museum","link":"","lat":43.474777,"lon":-72.389555,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Ames_Unitary_Plan_Wind_Tunnel\" title=\"ASME-Landmark:Ames Unitary Plan Wind Tunnel\"\u003EAmes Unitary Plan Wind Tunnel\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe discovery of Germany's advanced wind t\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The discovery of Germany\u0026#039;s advanced wind tunnel facilities after World War II, in conjunction with its leadership in the research and development of rocket engines, jet engines, and supersonic guided missiles, posed a serious challenge to America\u0026#039;s national security, prompting the United States Congress to pass the Unitary Wind Tunnel Plan Act of 1949.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe discovery of Germany's advanced wind tunnel facilities after World War II, in conjunction with its leadership in the research and development of rocket engines, jet engines, and supersonic guided missiles, posed a serious challenge to America's national security, prompting the United States Congress to pass the Unitary Wind Tunnel Plan Act of 1949.\u003C/span\u003E\u003C/span\u003E the Unitary Wind Tunnel Plan Act of 1949.","title":"Ames Unitary Plan Wind Tunnel","link":"","lat":37.41118,"lon":-122.054368,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Anderson-Barngroer_Cont._Rotary_Pressure_Sterilizer\" title=\"ASME-Landmark:Anderson-Barngroer Cont. Rotary Pressure Sterilizer\"\u003EAnderson-Barngroer Cont. Rotary Pressure Sterilizer\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EPrior to 1920, a problem had baffled engin\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Prior to 1920, a problem had baffled engineers for years: How to introduce a continuous stream of filled, sealed cans into a pressurized chamber full of steam; heat the contents uniformly and cook the cans for a prescribed length of time; then retrieve and cool them under pressure in the same continuous stream. At that time, the standard method of cooking, or sterilizing, canned products was in a closed retort that required up to 15 men to operate and long times for the heat to penetrate to the center of the immobile cans.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EPrior to 1920, a problem had baffled engineers for years: How to introduce a continuous stream of filled, sealed cans into a pressurized chamber full of steam; heat the contents uniformly and cook the cans for a prescribed length of time; then retrieve and cool them under pressure in the same continuous stream. At that time, the standard method of cooking, or sterilizing, canned products was in a closed retort that required up to 15 men to operate and long times for the heat to penetrate to the center of the immobile cans.\u003C/span\u003E\u003C/span\u003Eetrate to the center of the immobile cans.","title":"Anderson-Barngroer Cont. Rotary Pressure Sterilizer","link":"","lat":41.885275,"lon":-87.621544,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Apollo_Lunar_Module_LM-13\" title=\"ASME-Landmark:Apollo Lunar Module LM-13\"\u003EApollo Lunar Module LM-13\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Apollo lunar module (LM-13) was develo\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Apollo lunar module (LM-13) was developed by the Grumman Aircraft Engineering Corp. (now Northrop Grumman). The LM\u0026#039;s main functions were to carry two astronauts from lunar orbit to the moon\u0026#039;s surface, and then return them to lunar orbit to rendezvous and dock with the Apollo command-service modules. On the surface, the LM served as a shelter and base of operations as the astronauts carried out their exploration and experiments. On July 20, 1969, the LM \u0026quot;Eagle\u0026quot; touched down on the moon, becoming the first piloted spacecraft to land on a celestial body other than Earth. Five more landings followed. This vehicle, LM-13, was scheduled to fly as Apollo 18, and is representative of the lunar modules that traveled to the moon.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Apollo lunar module (LM-13) was developed by the Grumman Aircraft Engineering Corp. (now Northrop Grumman). The LM's main functions were to carry two astronauts from lunar orbit to the moon's surface, and then return them to lunar orbit to rendezvous and dock with the Apollo command-service modules. On the surface, the LM served as a shelter and base of operations as the astronauts carried out their exploration and experiments. On July 20, 1969, the LM \"Eagle\" touched down on the moon, becoming the first piloted spacecraft to land on a celestial body other than Earth. Five more landings followed. This vehicle, LM-13, was scheduled to fly as Apollo 18, and is representative of the lunar modules that traveled to the moon.\u003C/span\u003E\u003C/span\u003Ee lunar modules that traveled to the moon.","title":"Apollo Lunar Module LM-13","link":"","lat":40.728069,"lon":-73.5974,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Apollo_Space_Command_Module\" title=\"ASME-Landmark:Apollo Space Command Module\"\u003EApollo Space Command Module\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen the United States undertook Project A\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"When the United States undertook Project Apollo, with the intent of landing American astronauts on the moon, the objective was to send a three-man Apollo spacecraft to the moon and into lunar orbit, land two of the three men on the moon in the lunar module while the third remained in orbit, return the lunar explorers to the orbiting spacecraft, and then return all three men safely to earth.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EWhen the United States undertook Project Apollo, with the intent of landing American astronauts on the moon, the objective was to send a three-man Apollo spacecraft to the moon and into lunar orbit, land two of the three men on the moon in the lunar module while the third remained in orbit, return the lunar explorers to the orbiting spacecraft, and then return all three men safely to earth.\u003C/span\u003E\u003C/span\u003Ethen return all three men safely to earth.","title":"Apollo Space Command Module","link":"","lat":28.526704,"lon":-80.7825,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Apollo_Space_Suit\" title=\"ASME-Landmark:Apollo Space Suit\"\u003EApollo Space Suit\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Model A7L suit protected astronauts from the harsh conditions of space, while providing good mobility and the flexibility to walk the lunar surface and handle cameras and other equipment.","title":"Apollo Space Suit","link":"","lat":39.004142,"lon":-75.487443,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Archimedes_Screw_Pump\" title=\"ASME-Landmark:Archimedes Screw Pump\"\u003EArchimedes Screw Pump\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe wind-driven Archimedes screw-pump was \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The wind-driven Archimedes screw-pump was used to recover salt through an age-old process of solar evaporation, which shifted brine from one salt concentrating pond to the one of next higher salinity. The screw-pump preserved in California represents a mechanically simple method used for more than a century in the San Francisco Bay Area, from about 1820 to 1930.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe wind-driven Archimedes screw-pump was used to recover salt through an age-old process of solar evaporation, which shifted brine from one salt concentrating pond to the one of next higher salinity. The screw-pump preserved in California represents a mechanically simple method used for more than a century in the San Francisco Bay Area, from about 1820 to 1930.\u003C/span\u003E\u003C/span\u003Eancisco Bay Area, from about 1820 to 1930.","title":"Archimedes Screw Pump","link":"","lat":37.521236,"lon":-122.029047,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Arecibo_Radiotelescope\" title=\"ASME-Landmark:Arecibo Radiotelescope\"\u003EArecibo Radiotelescope\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Arecibo Observatory has the largest radio telescope ever constructed. Maintaining the greatest electromagnetic wave gathering capacity of any telescope, it has been an essential tool in modern astronomy, ionosphere, and planetary studies.","title":"Arecibo Radiotelescope","link":"","lat":18.346351,"lon":-66.75282,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Armour-Swift-Burlington_Bridge,_1911\" title=\"ASCE-Landmark:Armour-Swift-Burlington Bridge, 1911\"\u003EArmour-Swift-Burlington Bridge, 1911\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Armour-Swift-Burlington Bridge is a un\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Armour-Swift-Burlington Bridge is a unique, telescoping vertical-lift, steel-truss bridge that spans the Missouri River at Kansas City and is representative of the innovative moveable bridges designed by leading bridge engineer John Alexander Low Waddell.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Armour-Swift-Burlington Bridge is a unique, telescoping vertical-lift, steel-truss bridge that spans the Missouri River at Kansas City and is representative of the innovative moveable bridges designed by leading bridge engineer John Alexander Low Waddell.\u003C/span\u003E\u003C/span\u003Eridge engineer John Alexander Low Waddell.","title":"Armour-Swift-Burlington Bridge, 1911","link":"","lat":39.11666667,"lon":-94.57944444,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Arnold_AFB_Wind_Tunnel\" title=\"ASME-Landmark:Arnold AFB Wind Tunnel\"\u003EArnold AFB Wind Tunnel\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThis propulsion wind tunnel (PWT) at Arnol\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"This propulsion wind tunnel (PWT) at Arnold Air Force Base was the first large-scale facility for testing jet and rocket engines in simulated high-speed flight conditions. It has a unique combination of transonic (1955) and supersonic (1960) wind tunnels using a common 236,000 horsepower drive, the world\u0026#039;s largest when built. It could achieve air speeds up to Mach 4.75 at altitudes up to 150,000 feet in its 16-foot square, removable test sections. Design engineers were Lief J. Sverdrup, John R. Parcel, Brice Smith, and Walter Cook, of Sverdrup and Parcel, St. Louis.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThis propulsion wind tunnel (PWT) at Arnold Air Force Base was the first large-scale facility for testing jet and rocket engines in simulated high-speed flight conditions. It has a unique combination of transonic (1955) and supersonic (1960) wind tunnels using a common 236,000 horsepower drive, the world's largest when built. It could achieve air speeds up to Mach 4.75 at altitudes up to 150,000 feet in its 16-foot square, removable test sections. Design engineers were Lief J. Sverdrup, John R. Parcel, Brice Smith, and Walter Cook, of Sverdrup and Parcel, St. Louis.\u003C/span\u003E\u003C/span\u003Er Cook, of Sverdrup and Parcel, St. Louis.","title":"Arnold AFB Wind Tunnel","link":"","lat":35.364385,"lon":-86.080562,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Arroyo_Seco_Parkway,_1940\" title=\"ASCE-Landmark:Arroyo Seco Parkway, 1940\"\u003EArroyo Seco Parkway, 1940\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe 6.7-mile Arroyo Seco Parkway was the first freeway in the United States to be built as a state highway and the first freeway west of the Mississippi.","title":"Arroyo Seco Parkway, 1940","link":"","lat":34.1,"lon":-118.2,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Ascutney_Mill_Dam,_1834\" title=\"ASCE-Landmark:Ascutney Mill Dam, 1834\"\u003EAscutney Mill Dam, 1834\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Ascutney Mill Dam is among the very earliest masonry dams of significant size. Made of granite, the dam is the structural precursor of today\u2019s concrete gravity dams.","title":"Ascutney Mill Dam, 1834","link":"","lat":43.47666667,"lon":-72.39611111,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Atlantic_City_Municipal_Convention_Center,_1929\" title=\"ASCE-Landmark:Atlantic City Municipal Convention Center, 1929\"\u003EAtlantic City Municipal Convention Center, 1929\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen completed, the Atlantic City Convention Hall was the world\u2019s largest auditorium and the greatest permanent-span three-hinged roof arch system ever built.","title":"Atlantic City Municipal Convention Center, 1929","link":"","lat":39.35666667,"lon":-74.43638889,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Atlantic_Coast_Line\" title=\"ASME-Landmark:Atlantic Coast Line\"\u003EAtlantic Coast Line\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAtlantic Coast Line (ACL) 1504, built by A\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Atlantic Coast Line (ACL) 1504, built by American Locomotive Co. Richmond Works, is a \u0026quot;light pacific,\u0026quot; the most common USRA passenger design. The 1504 was one of 81 light pacifics. It was in service on ACL for over 30 years, most of which was spent in passenger service hauling 10 to 12 cars at 70 mph. After diesel power was introduced, the P-5-A engines were put into freight service, and the 1504 was in service in the Tampa area until retired in 1952.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EAtlantic Coast Line (ACL) 1504, built by American Locomotive Co. Richmond Works, is a \"light pacific,\" the most common USRA passenger design. The 1504 was one of 81 light pacifics. It was in service on ACL for over 30 years, most of which was spent in passenger service hauling 10 to 12 cars at 70 mph. After diesel power was introduced, the P-5-A engines were put into freight service, and the 1504 was in service in the Tampa area until retired in 1952.\u003C/span\u003E\u003C/span\u003Ee in the Tampa area until retired in 1952.","title":"Atlantic Coast Line","link":"","lat":30.327449,"lon":-81.672281,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Atlas_Launch_Vehicle\" title=\"ASME-Landmark:Atlas Launch Vehicle\"\u003EAtlas Launch Vehicle\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn October 1945, Convair signed a contract\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In October 1945, Convair signed a contract with the Air Force to come up with ideas for missiles in four ranges, from 20 to 5,000 miles. The assignment went to a group of engineers, headed by Charlie Bossart, at Convair\u0026#039;s Vultee Field Division, near Downey, California. When Vultee closed, the engineers moved to San Diego. Almost from the start, they decided to concentrate on the toughest, but potentially most powerful, of the four missiles the study contract specified: a5,000-mile ballistic missile.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn October 1945, Convair signed a contract with the Air Force to come up with ideas for missiles in four ranges, from 20 to 5,000 miles. The assignment went to a group of engineers, headed by Charlie Bossart, at Convair's Vultee Field Division, near Downey, California. When Vultee closed, the engineers moved to San Diego. Almost from the start, they decided to concentrate on the toughest, but potentially most powerful, of the four missiles the study contract specified: a\u0026lt;/br\u0026gt;5,000-mile ballistic missile.\u003C/span\u003E\u003C/span\u003Especified: a\n5,000-mile ballistic missile.","title":"Atlas Launch Vehicle","link":"","lat":32.825553,"lon":-116.971384,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:BF_Clyde%27s_Cider_Mill\" title=\"ASME-Landmark:BF Clyde\u0026#039;s Cider Mill\"\u003EBF Clyde's Cider Mill\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBF Clyde's cider mill is a rare survivor o\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"BF Clyde\u0026#039;s cider mill is a rare survivor of a once-commonplace seasonal rural industry. In the 19th and 20th centuries, a cider mill could be found in every community where apples were grown. In the fall, mills converted the fruit of the orchard into drink just as the grist mill converted the grain into flour.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EBF Clyde's cider mill is a rare survivor of a once-commonplace seasonal rural industry. In the 19th and 20th centuries, a cider mill could be found in every community where apples were grown. In the fall, mills converted the fruit of the orchard into drink just as the grist mill converted the grain into flour.\u003C/span\u003E\u003C/span\u003Egrist mill converted the grain into flour.","title":"BF Clyde's Cider Mill","link":"","lat":41.398938,"lon":-71.953944,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Bailey_Island_Bridge,_1928\" title=\"ASCE-Landmark:Bailey Island Bridge, 1928\"\u003EBailey Island Bridge, 1928\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Bailey Island Bridge was an innovative split-stone open crib construction that carries the concrete deck that bridges the navigation channel without impeding tidal flow.","title":"Bailey Island Bridge, 1928","link":"","lat":43.74938889,"lon":-69.9885,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Baltimore_%26_Ohio\" title=\"ASME-Landmark:Baltimore \u0026amp; Ohio\"\u003EBaltimore \u0026amp; Ohio\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBaltimore \u0026amp; Ohio (B \u0026amp; O) 4500, built by Baldwin Locomotive Works, was the first USRA locomotive built. It is a \"light Mikado,\" the most common USRA freight design. B\u0026amp;O assigned the 4500 Class Q-3 and acquired more than 100 of these 2-8-2s.","title":"Baltimore \u0026 Ohio","link":"","lat":39.285424,"lon":-76.632613,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Baltimore_%26_Ohio_Railroad_Old_Main_Line\" title=\"ASME-Landmark:Baltimore \u0026amp; Ohio Railroad Old Main Line\"\u003EBaltimore \u0026amp; Ohio Railroad Old Main Line\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBefore the Baltimore and Ohio Railroad was\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Before the Baltimore and Ohio Railroad was built, all American railroads were privately owned and created for the purpose of hauling the goods and materials of their owners. But on January 7, 1830, the Baltimore and Ohio Railroad became the first railroad to carry paying passengers, and it is now the oldest railroad in the United States.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EBefore the Baltimore and Ohio Railroad was built, all American railroads were privately owned and created for the purpose of hauling the goods and materials of their owners. But on January 7, 1830, the Baltimore and Ohio Railroad became the first railroad to carry paying passengers, and it is now the oldest railroad in the United States.\u003C/span\u003E\u003C/span\u003E the oldest railroad in the United States.","title":"Baltimore \u0026 Ohio Railroad Old Main Line","link":"","lat":39.285422,"lon":-76.632767,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Baltimore_%26_Ohio_Railroad_Roundhouse_%26_Shop_complex,_1842-1850s\" title=\"ASCE-Landmark:Baltimore \u0026amp; Ohio Railroad Roundhouse \u0026amp; Shop complex, 1842-1850s\"\u003EBaltimore \u0026amp; Ohio Railroad Roundhouse \u0026amp; Shop complex, 1842-1850s\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe B\u0026amp;O RR Roundhouse is the sole surviving cast-iron framed roundhouse and an important example of mid-19th century industrial building design.","title":"Baltimore \u0026 Ohio Railroad Roundhouse \u0026 Shop complex, 1842-1850s","link":"","lat":39.45,"lon":-77.95,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Barker_Turbine/Hacienda_Buena_Vista\" title=\"ASME-Landmark:Barker Turbine/Hacienda Buena Vista\"\u003EBarker Turbine/Hacienda Buena Vista\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe historic Hacienda Buena Vista coffee p\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The historic Hacienda Buena Vista coffee plantation, near Ponce, Puerto Rico, is home to the only known example of a Barker turbine, the earliest practical reaction turbine design. Water jetting from nozzles at the ends of the arms cause the arm-and-shaft assembly to rotate. The brass nozzles were adjusted to balance the water flow to each side. It can produce about 6 hp at 22 rpm.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe historic Hacienda Buena Vista coffee plantation, near Ponce, Puerto Rico, is home to the only known example of a Barker turbine, the earliest practical reaction turbine design. Water jetting from nozzles at the ends of the arms cause the arm-and-shaft assembly to rotate. The brass nozzles were adjusted to balance the water flow to each side. It can produce about 6 hp at 22 rpm.\u003C/span\u003E\u003C/span\u003Eside. It can produce about 6 hp at 22 rpm.","title":"Barker Turbine/Hacienda Buena Vista","link":"","lat":18.084363,"lon":-66.654718,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Basic-Oxygen_Steel_Making_Vessel\" title=\"ASME-Landmark:Basic-Oxygen Steel Making Vessel\"\u003EBasic-Oxygen Steel Making Vessel\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn 1934, Donald B. McLouth organized the M\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In 1934, Donald B. McLouth organized the McLouth Steel Corporation. By 1954, the corporation had to grow or die: As a small rerolling mill, it had to purchase its steel in a semi-finished state from other domestic mills. The strong demand for steel naturally dictated that these mills use their own capacity rather than sell it to a competitor.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn 1934, Donald B. McLouth organized the McLouth Steel Corporation. By 1954, the corporation had to grow or die: As a small rerolling mill, it had to purchase its steel in a semi-finished state from other domestic mills. The strong demand for steel naturally dictated that these mills use their own capacity rather than sell it to a competitor.\u003C/span\u003E\u003C/span\u003Eacity rather than sell it to a competitor.","title":"Basic-Oxygen Steel Making Vessel","link":"","lat":42.154067,"lon":-83.175269,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Batavia_Windmills\" title=\"ASME-Landmark:Batavia Windmills\"\u003EBatavia Windmills\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe early mass-produced, self-governing wi\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The early mass-produced, self-governing windmills in the Batavia Historical Society Museum and Research Center\u0026#039;s collection were designed for ease of assembly, operation, and maintenance by six manufacturing companies in the town of Batavia, Illinois from 1863 to 1951. During this time, Batavia became known as \u0026quot;The Windmill City\u0026quot; for being the largest windmill manufacturer in the U.S.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe early mass-produced, self-governing windmills in the Batavia Historical Society Museum and Research Center's collection were designed for ease of assembly, operation, and maintenance by six manufacturing companies in the town of Batavia, Illinois from 1863 to 1951. During this time, Batavia became known as \"The Windmill City\" for being the largest windmill manufacturer in the U.S.\u003C/span\u003E\u003C/span\u003E largest windmill manufacturer in the U.S.","title":"Batavia Windmills","link":"","lat":41.851434,"lon":-88.310312,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Bay_Area_Rapid_Transit_System\" title=\"ASME-Landmark:Bay Area Rapid Transit System\"\u003EBay Area Rapid Transit System\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EMass transit was in its heyday at the turn\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Mass transit was in its heyday at the turn of the 20th century, marked by the opening of systems in Paris (1900), New York (1904), and Philadelphia (1907). But the San Francisco Bay Area Rapid Transit (BART) system didn\u0026#039;t open until 1972\u2014a gap in time that allowed for an innovative spirit and a \u0026quot;clean slate\u0026quot; approach to building the transit system of the future.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EMass transit was in its heyday at the turn of the 20th century, marked by the opening of systems in Paris (1900), New York (1904), and Philadelphia (1907). But the San Francisco Bay Area Rapid Transit (BART) system didn't open until 1972\u2014a gap in time that allowed for an innovative spirit and a \"clean slate\" approach to building the transit system of the future.\u003C/span\u003E\u003C/span\u003Ebuilding the transit system of the future.","title":"Bay Area Rapid Transit System","link":"","lat":37.797347,"lon":-122.265262,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Bay_City_Walking_Dredge\" title=\"ASME-Landmark:Bay City Walking Dredge\"\u003EBay City Walking Dredge\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBuilt by the Bay City Dredge Works of Bay \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Built by the Bay City Dredge Works of Bay City, Michigan, the Bay City Walking Dredge was used to construct a portion of US 41 called the Tamiami Trail, which connected Tampa with Miami through the Everglades and Big Cypress Swamp. The last remaining display of walking dredges (of some 145 walking machines), it has a unique propulsion design enabling the dredge to cope with drainage problems in a wetlands environment.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EBuilt by the Bay City Dredge Works of Bay City, Michigan, the Bay City Walking Dredge was used to construct a portion of US 41 called the Tamiami Trail, which connected Tampa with Miami through the Everglades and Big Cypress Swamp. The last remaining display of walking dredges (of some 145 walking machines), it has a unique propulsion design enabling the dredge to cope with drainage problems in a wetlands environment.\u003C/span\u003E\u003C/span\u003Eainage problems in a wetlands environment.","title":"Bay City Walking Dredge","link":"","lat":25.991654,"lon":-81.59172,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Bayonne_Bridge,_1931\" title=\"ASCE-Landmark:Bayonne Bridge, 1931\"\u003EBayonne Bridge, 1931\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAt the time of completion, the steel arch Bayonne Bridge was the greatest span (1675 feet) of its type in the world.","title":"Bayonne Bridge, 1931","link":"","lat":40.64222222,"lon":-74.1425,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Belle_Fourche_Dam,_1911\" title=\"ASCE-Landmark:Belle Fourche Dam, 1911\"\u003EBelle Fourche Dam, 1911\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Belle Fourche Dam was the largest homogeneous rolled-earth fill dam in the world when completed in 1911.","title":"Belle Fourche Dam, 1911","link":"","lat":44.75,"lon":-103.6666667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Belle_Isle_Gas_Turbine\" title=\"ASME-Landmark:Belle Isle Gas Turbine\"\u003EBelle Isle Gas Turbine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe 3,500 kilowatt (kW) gas turbine that G\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The 3,500 kilowatt (kW) gas turbine that General Electric (GE) delivered to the Belle Isle Station of the Oklahoma Gas and Electric Company in Oklahoma City in July 1949 was the first gas turbine in the U.S. used to generate electric power. With an efficient power design created by GE\u0026#039;s engineers, the turbine effectively gave birth to the modern power generation industry by transforming the early aircraft gas turbine\u2014whose engines rarely ran for more than 10 hours at a time\u2014into a long-running utility power machine.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe 3,500 kilowatt (kW) gas turbine that General Electric (GE) delivered to the Belle Isle Station of the Oklahoma Gas and Electric Company in Oklahoma City in July 1949 was the first gas turbine in the U.S. used to generate electric power. With an efficient power design created by GE's engineers, the turbine effectively gave birth to the modern power generation industry by transforming the early aircraft gas turbine\u2014whose engines rarely ran for more than 10 hours at a time\u2014into a long-running utility power machine.\u003C/span\u003E\u003C/span\u003Einto a long-running utility power machine.","title":"Belle Isle Gas Turbine","link":"","lat":34.830957,"lon":-82.284751,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Belle_of_Louisville\" title=\"ASME-Landmark:Belle of Louisville\"\u003EBelle of Louisville\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EApril 30, 1963 marked the beginning of a n\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"April 30, 1963 marked the beginning of a new tradition as the now-Belle of Louisville faced off against the Delta Queen in the now renowned Kentucky Derby Festival. Today, the steamboat, the oldest operating \u0026quot;western rivers\u0026quot; steamboat, is owned by the Louisville Metro Government and plays an important part in the cultural and historical heritage of the City of Louisville and the entire region.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EApril 30, 1963 marked the beginning of a new tradition as the now-Belle of Louisville faced off against the Delta Queen in the now renowned Kentucky Derby Festival. Today, the steamboat, the oldest operating \"western rivers\" steamboat, is owned by the Louisville Metro Government and plays an important part in the cultural and historical heritage of the City of Louisville and the entire region.\u003C/span\u003E\u003C/span\u003E City of Louisville and the entire region.","title":"Belle of Louisville","link":"","lat":38.259186,"lon":-85.755593,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Bergen_County_Steam_Collection\" title=\"ASME-Landmark:Bergen County Steam Collection\"\u003EBergen County Steam Collection\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBergen County Technical Schools' collectio\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Bergen County Technical Schools\u0026#039; collection of equipment\u2014all of it maintained in operating condition and used for educational purposes\u2014was established in 1987. It spans the period from the late 19th century to the 1940s, when steam was the prime motive force for most U.S. industries, including rail and marine transportation.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EBergen County Technical Schools' collection of equipment\u2014all of it maintained in operating condition and used for educational purposes\u2014was established in 1987. It spans the period from the late 19th century to the 1940s, when steam was the prime motive force for most U.S. industries, including rail and marine transportation.\u003C/span\u003E\u003C/span\u003E including rail and marine transportation.","title":"Bergen County Steam Collection","link":"","lat":40.902112,"lon":-74.034392,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Bessemer_Conversion_Engine\" title=\"ASME-Landmark:Bessemer Conversion Engine\"\u003EBessemer Conversion Engine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe 1895 discovery of oil underground at T\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The 1895 discovery of oil underground at Titusville, Pa., required engines to drive drills and pump oil, but steam engines proved costly to operate. In 1898, Dr. Edwin J. Fithian and John Carruthers formed the Bessemer Gas Engine Company and produced kits to convert steam engines into the new internal combustion engines, fueled with oil-field natural gas. The landmark gas engine, in service for 75 years, is a kit conversion of an 1880s Innis steam engine. It illustrates the transition to internal combustion and how machine life can be extended by clever adaptation of newer technology to save cost and resources.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe 1895 discovery of oil underground at Titusville, Pa., required engines to drive drills and pump oil, but steam engines proved costly to operate. In 1898, Dr. Edwin J. Fithian and John Carruthers formed the Bessemer Gas Engine Company and produced kits to convert steam engines into the new internal combustion engines, fueled with oil-field natural gas. The landmark gas engine, in service for 75 years, is a kit conversion of an 1880s Innis steam engine. It illustrates the transition to internal combustion and how machine life can be extended by clever adaptation of newer technology to save cost and resources.\u003C/span\u003E\u003C/span\u003Ewer technology to save cost and resources.","title":"Bessemer Conversion Engine","link":"","lat":43.097823,"lon":-85.568017,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Bethlehem_Waterworks,_1755\" title=\"ASCE-Landmark:Bethlehem Waterworks, 1755\"\u003EBethlehem Waterworks, 1755\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Bethlehem Waterworks was the first known pumping system providing drinking and wash water in the North American Colonies.","title":"Bethlehem Waterworks, 1755","link":"","lat":40.61916667,"lon":-75.38333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Bidwell_Bar_Suspension_Bridge,_1855\" title=\"ASCE-Landmark:Bidwell Bar Suspension Bridge, 1855\"\u003EBidwell Bar Suspension Bridge, 1855\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ETypical of the suspension bridges constructed during California gold rush days, the Bidwell Bar Suspension Bridge is the only remaining suspension bridge of its time in the West.","title":"Bidwell Bar Suspension Bridge, 1855","link":"","lat":39.51389,"lon":-121.50528,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Big_Brutus_Mine_Shovel\" title=\"ASME-Landmark:Big Brutus Mine Shovel\"\u003EBig Brutus Mine Shovel\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen built in 1962 at a cost of $6.5 milli\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"When built in 1962 at a cost of $6.5 million, the \u0026quot;Big Brutus\u0026quot; mine shovel was the second largest in the world. It was used for the removal of overburden in the surface mining of thin coal seams. In its lifetime, it recovered nine million tons of bituminous coal from depths of 20 to 50 feet for local electric power generation. Standing 160-feet high, weighing 5,500 tons, and moving at speeds up to two-tenths of a mile per hour, the machine ran around the clock and stripped about a square mile each year. The bucket scooped out 90 cubic yards, or 135 tons, of earth with each bite.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EWhen built in 1962 at a cost of $6.5 million, the \"Big Brutus\" mine shovel was the second largest in the world. It was used for the removal of overburden in the surface mining of thin coal seams. In its lifetime, it recovered nine million tons of bituminous coal from depths of 20 to 50 feet for local electric power generation. Standing 160-feet high, weighing 5,500 tons, and moving at speeds up to two-tenths of a mile per hour, the machine ran around the clock and stripped about a square mile each year. The bucket scooped out 90 cubic yards, or 135 tons, of earth with each bite.\u003C/span\u003E\u003C/span\u003Erds, or 135 tons, of earth with each bite.","title":"Big Brutus Mine Shovel","link":"","lat":37.273513,"lon":-94.938515,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Big_Surf_Waterpark\" title=\"ASME-Landmark:Big Surf Waterpark\"\u003EBig Surf Waterpark\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBig Surf Waterpark opened in 1969 as a 20 acre complex in Tempe, 10 miles east of downtown Phoenix. The Waterpark's Waikiki Beach uses a mechanical wave machine that creates a single transverse wave of sufficient height and duration to permit surfing.","title":"Big Surf Waterpark","link":"","lat":33.445721,"lon":-111.912585,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Birome_Ballpoint_Pen_Collection\" title=\"ASME-Landmark:Birome Ballpoint Pen Collection\"\u003EBirome Ballpoint Pen Collection\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe ballpoint pen invented by Ladislao Jos\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The ballpoint pen invented by Ladislao Jose Biro was originally patented in Hungary in 1938. As a journalist, Biro had been inspired by the concept of quick-drying ink in a print shop. He thought of a new type of pen that could use quick-drying thick ink, rather than the thin, wet, ink used in fountain and quill pens.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe ballpoint pen invented by Ladislao Jose Biro was originally patented in Hungary in 1938. As a journalist, Biro had been inspired by the concept of quick-drying ink in a print shop. He thought of a new type of pen that could use quick-drying thick ink, rather than the thin, wet, ink used in fountain and quill pens.\u003C/span\u003E\u003C/span\u003E wet, ink used in fountain and quill pens.","title":"Birome Ballpoint Pen Collection","link":"","lat":-34.593606,"lon":-58.382832,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Blenheim_Bridge,_1855\" title=\"ASCE-Landmark:Blenheim Bridge, 1855\"\u003EBlenheim Bridge, 1855\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe covered wooden truss Blenheim Bridge was the longest (210 feet) bridge of its kind in the world until the Blenheim Bridge was destroyed by flooding in 2011.","title":"Blenheim Bridge, 1855","link":"","lat":42.47253056,"lon":-74.44127222,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Blimp_Hangars,_1942-1943\" title=\"ASCE-Landmark:Blimp Hangars, 1942-1943\"\u003EBlimp Hangars, 1942-1943\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe blimp hangars in California remain the largest clear span wooden structures in the world.","title":"Blimp Hangars, 1942-1943","link":"","lat":33.70666667,"lon":-117.8216667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Blood_Heat_Exchanger\" title=\"ASME-Landmark:Blood Heat Exchanger\"\u003EBlood Heat Exchanger\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe design and development of a unique blo\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The design and development of a unique blood heat exchanger for use in open heart surgery was completed in 1957. It was a joint effort by engineers of Harrison Radiator Division, General Motors Corporation in Lockport, N.Y., and medical researchers from the Duke University Medical Center in Durham, N.C.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe design and development of a unique blood heat exchanger for use in open heart surgery was completed in 1957. It was a joint effort by engineers of Harrison Radiator Division, General Motors Corporation in Lockport, N.Y., and medical researchers from the Duke University Medical Center in Durham, N.C.\u003C/span\u003E\u003C/span\u003E University Medical Center in Durham, N.C.","title":"Blood Heat Exchanger","link":"","lat":43.000783,"lon":-78.789413,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Blue_Ridge_Parkway,_1937\" title=\"ASCE-Landmark:Blue Ridge Parkway, 1937\"\u003EBlue Ridge Parkway, 1937\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBegun in 1935, the 469-mile Blue Ridge Parkway was, at the time, the longest road ever planned as a single unit in the United States.","title":"Blue Ridge Parkway, 1937","link":"","lat":36.51861111,"lon":-80.93583333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Boeing_367-80\" title=\"ASME-Landmark:Boeing 367-80\"\u003EBoeing 367-80\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Boeing 367-80, also known as the Dash-\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Boeing 367-80, also known as the Dash-80, is the prototype for most jet transports. Its success was due largely to its mechanical systems, including turbine engines with thrust reversers and noise suppressors, redundant hydraulic control systems, and an improved cabin-pressurization system. Honeycomb flap panels were introduced, along with a strong, lightweight structural design that controlled fatigue cracking. These led to several innovations in aircraft tooling and manufacturing techniques.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Boeing 367-80, also known as the Dash-80, is the prototype for most jet transports. Its success was due largely to its mechanical systems, including turbine engines with thrust reversers and noise suppressors, redundant hydraulic control systems, and an improved cabin-pressurization system. Honeycomb flap panels were introduced, along with a strong, lightweight structural design that controlled fatigue cracking. These led to several innovations in aircraft tooling and manufacturing techniques.\u003C/span\u003E\u003C/span\u003Eraft tooling and manufacturing techniques.","title":"Boeing 367-80","link":"","lat":38.911444,"lon":-77.444111,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Bollman_Truss_Bridge,_1852\" title=\"ASCE-Landmark:Bollman Truss Bridge, 1852\"\u003EBollman Truss Bridge, 1852\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Bollman Truss Bridge is the only remaining example of a patented design that was used extensively on the Baltimore \u0026amp; Ohio and other railroads.","title":"Bollman Truss Bridge, 1852","link":"","lat":39.13472222,"lon":-76.82527778,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Bonneville_Dam,_Columbia_River_Power_%26_Nav_System,_1937\" title=\"ASCE-Landmark:Bonneville Dam, Columbia River Power \u0026amp; Nav System, 1937\"\u003EBonneville Dam, Columbia River Power \u0026amp; Nav System, 1937\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Bonneville Dam was the first Federal dam of 55 major hydroelectric projects on the Columbia River. The array constitutes one of the largest hydroelectric systems in the world.","title":"Bonneville Dam, Columbia River Power \u0026 Nav System, 1937","link":"","lat":45.64416667,"lon":-121.9405556,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Borden_Base_Line,_1831\" title=\"ASCE-Landmark:Borden Base Line, 1831\"\u003EBorden Base Line, 1831\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Borden Base Line, a survey line of over 39,000 feet, remains today as an outstanding achievement in precision measurements. It obtained international recognition for American skill in geodetic engineering.","title":"Borden Base Line, 1831","link":"","lat":42.3725,"lon":-72.62,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Boston_Subway,_1897\" title=\"ASCE-Landmark:Boston Subway, 1897\"\u003EBoston Subway, 1897\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAs the first subway in North America and an engineering innovation, the Boston Subway became the prototype for other urban mass transit subway systems in the United States.","title":"Boston Subway, 1897","link":"","lat":42.35638889,"lon":-71.06305556,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Boulton_%26_Watt_Rotative_Steam_Engine\" title=\"ASME-Landmark:Boulton \u0026amp; Watt Rotative Steam Engine\"\u003EBoulton \u0026amp; Watt Rotative Steam Engine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EJames Watt (1736-1819) designed and built \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"James Watt (1736-1819) designed and built engines incorporating many of the mechanical innovations that became steam engine practice: separate condenser, parallel motion and centrifugal governor, the sun-and-planet crank motion, and the double-acting cylinder.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EJames Watt (1736-1819) designed and built engines incorporating many of the mechanical innovations that became steam engine practice: separate condenser, parallel motion and centrifugal governor, the sun-and-planet crank motion, and the double-acting cylinder.\u003C/span\u003E\u003C/span\u003Enk motion, and the double-acting cylinder.","title":"Boulton \u0026 Watt Rotative Steam Engine","link":"","lat":-33.725107,"lon":150.973283,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Boyden_Hydraulic_Turbines\" title=\"ASME-Landmark:Boyden Hydraulic Turbines\"\u003EBoyden Hydraulic Turbines\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThese two water turbines at Harmony Mill N\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"These two water turbines at Harmony Mill No. 3 in Cohoes were probably the largest and nearly the most powerful ever built in the United States, supplying direct mechanical power to a manufacturing plant. Their installation between 1871 and 1873 makes them among the oldest surviving water turbines.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThese two water turbines at Harmony Mill No. 3 in Cohoes were probably the largest and nearly the most powerful ever built in the United States, supplying direct mechanical power to a manufacturing plant. Their installation between 1871 and 1873 makes them among the oldest surviving water turbines.\u003C/span\u003E\u003C/span\u003Eamong the oldest surviving water turbines.","title":"Boyden Hydraulic Turbines","link":"","lat":42.782101,"lon":-73.705489,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Brandywine_River_Powder_Mills\" title=\"ASME-Landmark:Brandywine River Powder Mills\"\u003EBrandywine River Powder Mills\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EFounded by Eleuth\u00e8re Ir\u00e9n\u00e9\u00e9 du Pont (1771-\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Founded by Eleuth\u00e8re Ir\u00e9n\u00e9\u00e9 du Pont (1771-1834), the Brandywine River Mills became the largest maker of explosive black powder in the United States. That success resulted directly from the firm\u0026#039;s pioneering use of gunpowder processing machinery driven by water wheels and water turbines. Divided into separate buildings to promote safety, its rolling, graining, and glazing mills produced black powder in a range of grades for military, sporting, hunting, construction, mining, and other applications.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EFounded by Eleuth\u00e8re Ir\u00e9n\u00e9\u00e9 du Pont (1771-1834), the Brandywine River Mills became the largest maker of explosive black powder in the United States. That success resulted directly from the firm's pioneering use of gunpowder processing machinery driven by water wheels and water turbines. Divided into separate buildings to promote safety, its rolling, graining, and glazing mills produced black powder in a range of grades for military, sporting, hunting, construction, mining, and other applications.\u003C/span\u003E\u003C/span\u003Estruction, mining, and other applications.","title":"Brandywine River Powder Mills","link":"","lat":39.773686,"lon":-75.578764,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Bridgeport_Covered_Bridge,_1862\" title=\"ASCE-Landmark:Bridgeport Covered Bridge, 1862\"\u003EBridgeport Covered Bridge, 1862\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Bridgeport Covered Bridge is the longest single span covered bridge (230 feet) west of the Mississippi River.","title":"Bridgeport Covered Bridge, 1862","link":"","lat":39.29273889,"lon":-121.1949056,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Bridges_of_Keeseville,_1821\" title=\"ASCE-Landmark:Bridges of Keeseville, 1821\"\u003EBridges of Keeseville, 1821\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Bridges of Keeseville, three remarkabl\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Bridges of Keeseville, three remarkable operational 19th century bridges of different types, are all within 500 yards of each other. The evolution of civil engineering materials, analysis, and design, is clearly illustrated by these structures, all of which remain in service.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Bridges of Keeseville, three remarkable operational 19th century bridges of different types, are all within 500 yards of each other. The evolution of civil engineering materials, analysis, and design, is clearly illustrated by these structures, all of which remain in service.\u003C/span\u003E\u003C/span\u003Etructures, all of which remain in service.","title":"Bridges of Keeseville, 1821","link":"","lat":44.5,"lon":-73.48333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Bridges_of_Niagara,_1848_-_1941\" title=\"ASCE-Landmark:Bridges of Niagara, 1848 - 1941\"\u003EBridges of Niagara, 1848 - 1941\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Bridges of Niagara, a collective name \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Bridges of Niagara, a collective name for a series of structures built and replaced since 1848, span the Niagara Gorge below Niagara Falls. The successful crossing of the gorge required the skill of many engineers willing to take risks and extend their engineering knowledge beyond established limits, which greatly contributed to the advancement of design techniques for suspension and arch bridges.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Bridges of Niagara, a collective name for a series of structures built and replaced since 1848, span the Niagara Gorge below Niagara Falls. The successful crossing of the gorge required the skill of many engineers willing to take risks and extend their engineering knowledge beyond established limits, which greatly contributed to the advancement of design techniques for suspension and arch bridges.\u003C/span\u003E\u003C/span\u003Eechniques for suspension and arch bridges.","title":"Bridges of Niagara, 1848 - 1941","link":"","lat":43.10916667,"lon":-79.05833333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Brooklyn_Bridge,_1883\" title=\"ASCE-Landmark:Brooklyn Bridge, 1883\"\u003EBrooklyn Bridge, 1883\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen built, the Brooklyn Bridge was the longest suspension bridge in the world and the first to use steel cables and trusses.","title":"Brooklyn Bridge, 1883","link":"","lat":40.70569,"lon":-73.99639,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Brooks_AFB,_Old_Hanger_9,_1919\" title=\"ASCE-Landmark:Brooks AFB, Old Hanger 9, 1919\"\u003EBrooks AFB, Old Hanger 9, 1919\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EOut of 16 hangars and support facilities of the Brooks Air Force Field, Old Hangar 9 is the only one still standing from this WWI era training camp.","title":"Brooks AFB, Old Hanger 9, 1919","link":"","lat":29.34361111,"lon":-98.44388889,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Browning_Firearms_Collection\" title=\"ASME-Landmark:Browning Firearms Collection\"\u003EBrowning Firearms Collection\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Browning firearms collection at the Og\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Browning firearms collection at the Ogden Union Station Museum recognizes the inventive talents of John Moses Browning (1855-1926), a prolific and significant designer of firearms, whose designs were known for simplicity, accuracy, and reliability. He held more than 128 patents covering 80 distinct firearms produced by Winchester, Remington, Colt, Fabrique Nationale, Savage, and General Motors (during wartime), among others. The display includes 35 pistols, 33 rifles, 33 shotguns, and 9 military automatics, either production models or original guns made by Browning.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Browning firearms collection at the Ogden Union Station Museum recognizes the inventive talents of John Moses Browning (1855-1926), a prolific and significant designer of firearms, whose designs were known for simplicity, accuracy, and reliability. He held more than 128 patents covering 80 distinct firearms produced by Winchester, Remington, Colt, Fabrique Nationale, Savage, and General Motors (during wartime), among others. The display includes 35 pistols, 33 rifles, 33 shotguns, and 9 military automatics, either production models or original guns made by Browning.\u003C/span\u003E\u003C/span\u003E models or original guns made by Browning.","title":"Browning Firearms Collection","link":"","lat":41.220785,"lon":-111.979745,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Buckeye_Steam_Traction_Ditcher\" title=\"ASME-Landmark:Buckeye Steam Traction Ditcher\"\u003EBuckeye Steam Traction Ditcher\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EJames B. Hill (1856-1945) patented the fir\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"James B. Hill (1856-1945) patented the first successful traction ditching machine in 1894. Hill initially worked in a Bowling Green, Ohio, machine shop. He later moved to Deshler, then Carey, Ohio, producing ditchers in both locations. Hill moved to Findlay in 1902, where a foundry (Van Buren, Heck, and Marvin Company) produced the ditchers. The name was changed to Buckeye Steam Traction Company in 1906. The ditcher was also used in New Orleans, Africa, and Ontario, Canada. Steam engines powered the ditchers until 1908, when gasoline engines replaced them; the gasoline engines were, in turn, replaced by diesel engines in the 1920s.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EJames B. Hill (1856-1945) patented the first successful traction ditching machine in 1894. Hill initially worked in a Bowling Green, Ohio, machine shop. He later moved to Deshler, then Carey, Ohio, producing ditchers in both locations. Hill moved to Findlay in 1902, where a foundry (Van Buren, Heck, and Marvin Company) produced the ditchers. The name was changed to Buckeye Steam Traction Company in 1906. The ditcher was also used in New Orleans, Africa, and Ontario, Canada. Steam engines powered the ditchers until 1908, when gasoline engines replaced them; the gasoline engines were, in turn, replaced by diesel engines in the 1920s.\u003C/span\u003E\u003C/span\u003E, replaced by diesel engines in the 1920s.","title":"Buckeye Steam Traction Ditcher","link":"","lat":41.037405,"lon":-83.656069,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Buffalo_Bill_Dam,_1910\" title=\"ASCE-Landmark:Buffalo Bill Dam, 1910\"\u003EBuffalo Bill Dam, 1910\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen completed, the Buffalo Bill Dam was the highest in the world, and the only one with a height/width ratio greater than one.","title":"Buffalo Bill Dam, 1910","link":"","lat":44.50166667,"lon":-109.1841667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Bunker_Hill_Covered_Bridge,_1894\" title=\"ASCE-Landmark:Bunker Hill Covered Bridge, 1894\"\u003EBunker Hill Covered Bridge, 1894\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Bunker Hill Covered Bridge, constructed in 1895 and restored in 1994, is the only remaining example of the improved lattice-truss timber bridge patented by Herman Haupt in 1839.","title":"Bunker Hill Covered Bridge, 1894","link":"","lat":35.72138889,"lon":-81.11527778,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Burton_Farmers_Gin_Mill\" title=\"ASME-Landmark:Burton Farmers Gin Mill\"\u003EBurton Farmers Gin Mill\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Burton Farmers Gin Mill is the earliest known survivor of an integrated cotton ginning system widely used to process cotton from wagon to bale in a continuous operation.","title":"Burton Farmers Gin Mill","link":"","lat":30.180543,"lon":-96.594537,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Cabin_John_Aqueduct,_1857-1862\" title=\"ASCE-Landmark:Cabin John Aqueduct, 1857-1862\"\u003ECabin John Aqueduct, 1857-1862\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Cabin John Aqueduct was the longest span stone masonry arch in the world until 1903. This structure still provides water to Washington, DC, as well as carrying the traffic loads.","title":"Cabin John Aqueduct, 1857-1862","link":"","lat":38.97285556,"lon":-77.14796944,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Caledonian_Canal,_1804-1822\" title=\"ASCE-Landmark:Caledonian Canal, 1804-1822\"\u003ECaledonian Canal, 1804-1822\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAt the time, the Caledonian Canal was the largest series of locks ever built. The canal significantly advanced highland development and engineering knowledge.","title":"Caledonian Canal, 1804-1822","link":"","lat":56.983333,"lon":-5.122166667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Canton_Viaduct,_1835\" title=\"ASCE-Landmark:Canton Viaduct, 1835\"\u003ECanton Viaduct, 1835\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen completed, the Canton Viaduct was the longest and tallest railroad viaduct ever built. It is the last surviving viaduct of its kind and has been in continuous service for over 170 years.","title":"Canton Viaduct, 1835","link":"","lat":42.15,"lon":-71.15,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Cape_Cod_Canal,_1909-1914\" title=\"ASCE-Landmark:Cape Cod Canal, 1909-1914\"\u003ECape Cod Canal, 1909-1914\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWithout the use of locks, the sea-level, 17-mile Cape Cod Canal was designed to successfully cope with a tidal differential of 4.5 feet coupled with a three-hour out-of-phase tidal cycle.","title":"Cape Cod Canal, 1909-1914","link":"","lat":41.76420278,"lon":-70.56841111,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Cape_Hatteras_Lighthouse,_1870\" title=\"ASCE-Landmark:Cape Hatteras Lighthouse, 1870\"\u003ECape Hatteras Lighthouse, 1870\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAt 198 feet, the Cape Hatteras Lighthouse is the tallest in the United States and the second tallest brick light tower in the world.","title":"Cape Hatteras Lighthouse, 1870","link":"","lat":35.25053333,"lon":-75.52881667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Carrollton_Viaduct,_1829\" title=\"ASCE-Landmark:Carrollton Viaduct, 1829\"\u003ECarrollton Viaduct, 1829\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Carrollton Viaduct was the first major structure that was part of an American railroad.","title":"Carrollton Viaduct, 1829","link":"","lat":37.26666667,"lon":-76.66666667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Castillo_De_San_Marcos,_1672-1695\" title=\"ASCE-Landmark:Castillo De San Marcos, 1672-1695\"\u003ECastillo De San Marcos, 1672-1695\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EA unique link between medieval European military engineering and modern American civil engineering, the Castillo de San Marcos is the oldest major engineered structure in the United States.","title":"Castillo De San Marcos, 1672-1695","link":"","lat":29.89777778,"lon":-81.31138889,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Cedar_Falls_Water_Supply,_1902-1905\" title=\"ASCE-Landmark:Cedar Falls Water Supply, 1902-1905\"\u003ECedar Falls Water Supply, 1902-1905\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Cedar Falls Water Supply was the first municipally owned hydroelectric project in the United Sates, and the forerunner of the public power movement.","title":"Cedar Falls Water Supply, 1902-1905","link":"","lat":47.60972222,"lon":-122.3330556,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Central_Pacific_Railroad,_1869\" title=\"ASCE-Landmark:Central Pacific Railroad, 1869\"\u003ECentral Pacific Railroad, 1869\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAmerica\u2019s first transcontinental railroad, the Central Pacific Railroad, began in Sacramento in 1863, and was completed in 1869 at Promontory, Utah.","title":"Central Pacific Railroad, 1869","link":"","lat":38.55555556,"lon":-121.4688889,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Chain_of_Rocks_Water_Purification_Plant,_1886-1915\" title=\"ASCE-Landmark:Chain of Rocks Water Purification Plant, 1886-1915\"\u003EChain of Rocks Water Purification Plant, 1886-1915\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAt the Chain of Rocks Water Purification P\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"At the Chain of Rocks Water Purification Plant, a civil engineer and a chemist cooperated on an innovative process of chemical coagulation to purify the highly turbid water of the Mississippi River. This pioneering effort was recognized internationally as an outstanding success in the field of municipal water supply.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EAt the Chain of Rocks Water Purification Plant, a civil engineer and a chemist cooperated on an innovative process of chemical coagulation to purify the highly turbid water of the Mississippi River. This pioneering effort was recognized internationally as an outstanding success in the field of municipal water supply.\u003C/span\u003E\u003C/span\u003Ess in the field of municipal water supply.","title":"Chain of Rocks Water Purification Plant, 1886-1915","link":"","lat":38.75,"lon":-90.5,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Chapin_Mine_Pump\" title=\"ASME-Landmark:Chapin Mine Pump\"\u003EChapin Mine Pump\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Chapin Mine, one of the large strikes \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Chapin Mine, one of the large strikes in the Lake Superior geological district, was located under a cedar swamp\u2014and it was completely unminable until it was drained by one of the largest pumping engines of the 1880s. The mine began producing ore in 1880, and while miners used the most advanced technology of the day to access it\u2014sinking a deep shaft through 90 feet of quicksand, using enormous pumps driven by compressed air, freezing the sand with two of the largest refrigeration compressors built, and lining the shaft with a sectional cast-iron circular shell\u2014this method, along with conventional pumps that removed water from the lower levels, proved inadequate within ten years. As the problem grew in severity, the Edward P. Allis Company of Milwaukee was contracted to build the gigantic pumping engine, now designated as a landmark, which began operating in 1893.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Chapin Mine, one of the large strikes in the Lake Superior geological district, was located under a cedar swamp\u2014and it was completely unminable until it was drained by one of the largest pumping engines of the 1880s. The mine began producing ore in 1880, and while miners used the most advanced technology of the day to access it\u2014sinking a deep shaft through 90 feet of quicksand, using enormous pumps driven by compressed air, freezing the sand with two of the largest refrigeration compressors built, and lining the shaft with a sectional cast-iron circular shell\u2014this method, along with conventional pumps that removed water from the lower levels, proved inadequate within ten years. As the problem grew in severity, the Edward P. Allis Company of Milwaukee was contracted to build the gigantic pumping engine, now designated as a landmark, which began operating in 1893.\u003C/span\u003E\u003C/span\u003Ea landmark, which began operating in 1893.","title":"Chapin Mine Pump","link":"","lat":45.820326,"lon":-88.063749,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Charles_River_Basin_Project,_1910\" title=\"ASCE-Landmark:Charles River Basin Project, 1910\"\u003ECharles River Basin Project, 1910\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EA pioneering environmental engineering pro\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"A pioneering environmental engineering project, the Charles River Basin Project converted 675 acres of estuarial muck into a freshwater basin of beauty and recreational value and has served as an international model in environmental engineering, landscape architecture, and urban planning.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EA pioneering environmental engineering project, the Charles River Basin Project converted 675 acres of estuarial muck into a freshwater basin of beauty and recreational value and has served as an international model in environmental engineering, landscape architecture, and urban planning.\u003C/span\u003E\u003C/span\u003Eandscape architecture, and urban planning.","title":"Charles River Basin Project, 1910","link":"","lat":42.36277778,"lon":-71.10777778,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Charleston-Hamburg_Railroad,_1833\" title=\"ASCE-Landmark:Charleston-Hamburg Railroad, 1833\"\u003ECharleston-Hamburg Railroad, 1833\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAt the time of its construction, the Charleston-Hamburg Railroad was the world\u2019s longest railroad (136 miles).","title":"Charleston-Hamburg Railroad, 1833","link":"","lat":32.78333333,"lon":-79.93333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Cheesman_Dam,_1905\" title=\"ASCE-Landmark:Cheesman Dam, 1905\"\u003ECheesman Dam, 1905\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen completed, the Cheesman Dam was the world\u2019s highest gravity stone arch masonry dam.","title":"Cheesman Dam, 1905","link":"","lat":39.20750833,"lon":-105.2722361,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Chesapeake_%26_Delaware_Canal,_1829\" title=\"ASCE-Landmark:Chesapeake \u0026amp; Delaware Canal, 1829\"\u003EChesapeake \u0026amp; Delaware Canal, 1829\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Chesapeake \u0026amp; Delaware Canal is the only canal built in 19th-century America that still operates today as a major shipping route. It was one of the first civil engineering projects proposed in the New World and one of the most difficult to carry out.","title":"Chesapeake \u0026 Delaware Canal, 1829","link":"","lat":39.54444444,"lon":-75.72055556,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Chesapeake_%26_Delaware_Canal_Scoop_Wheel_%26_Engines\" title=\"ASME-Landmark:Chesapeake \u0026amp; Delaware Canal Scoop Wheel \u0026amp; Engines\"\u003EChesapeake \u0026amp; Delaware Canal Scoop Wheel \u0026amp; Engines\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAs early as 1661, a need was seen for a ca\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"As early as 1661, a need was seen for a canal that would link Chesapeake Bay and the Delaware River as a shortcut between Baltimore and Philadelphia. By 1802, sufficient funds had been raised to incorporate the Chesapeake and Delaware Canal Company. The success of the Erie Canal in 1825 sparked Pennsylvania\u0026#039;s concern that New York would become the center of trade with the West, and construction of the Chesapeake and Delaware Canal began in earnest, including the excavation of a three-mile stretch through solid rock, known as the \u0026quot;Deep Cut.\u0026quot; The canal opened in 1829 and, at the time, was only 13 5/8-miles long with a width exceeding 66 feet.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EAs early as 1661, a need was seen for a canal that would link Chesapeake Bay and the Delaware River as a shortcut between Baltimore and Philadelphia. By 1802, sufficient funds had been raised to incorporate the Chesapeake and Delaware Canal Company. The success of the Erie Canal in 1825 sparked Pennsylvania's concern that New York would become the center of trade with the West, and construction of the Chesapeake and Delaware Canal began in earnest, including the excavation of a three-mile stretch through solid rock, known as the \"Deep Cut.\" The canal opened in 1829 and, at the time, was only 13 5/8-miles long with a width exceeding 66 feet.\u003C/span\u003E\u003C/span\u003Emiles long with a width exceeding 66 feet.","title":"Chesapeake \u0026 Delaware Canal Scoop Wheel \u0026 Engines","link":"","lat":39.527352,"lon":-75.80675,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Chesbrough%27s_Chicago_Water_Supply_system,_1864-1869\" title=\"ASCE-Landmark:Chesbrough\u0026#039;s Chicago Water Supply system, 1864-1869\"\u003EChesbrough's Chicago Water Supply system, 1864-1869\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EDesigned to supply 50 gallons of potable water per capita per day for one million people, the Chicago Water Supply System consisted of a two-mile tunnel under Lake Michigan with an intake crib.","title":"Chesbrough's Chicago Water Supply system, 1864-1869","link":"","lat":41.89722222,"lon":-87.62388889,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Chestnut_Street_Pumping_Engine\" title=\"ASME-Landmark:Chestnut Street Pumping Engine\"\u003EChestnut Street Pumping Engine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBuilt in 1913 by the Bethlehem Steel Company, the engine operated from 1913 to 1951, when the plant was electrified.","title":"Chestnut Street Pumping Engine","link":"","lat":42.131748,"lon":-80.0967,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Chicago_Burlington_%26_Quincy_Railroad_Roundhouse\" title=\"ASME-Landmark:Chicago Burlington \u0026amp; Quincy Railroad Roundhouse\"\u003EChicago Burlington \u0026amp; Quincy Railroad Roundhouse\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Chicago, Burlington, \u0026amp; Quincy Rail\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Chicago, Burlington, \u0026amp; Quincy Railroad (CB\u0026amp;Q) was the first railroad to link Chicago and the Mississippi River, in the 1850s. Its forty-stall roundhouse, large even for its time, became a major center for railroad activity for the CB\u0026amp;Q. As a repair and construction facility, it produced more steam engines, passenger cars, precision parts, tools, and machines than any other CB\u0026amp;Q installation. At least 250 locomotives were built in Aurora between 1871 and 1910\u2014a period in which track mileage increased five-fold and railroads were the only cross-country transportation.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Chicago, Burlington, \u0026 Quincy Railroad (CB\u0026Q) was the first railroad to link Chicago and the Mississippi River, in the 1850s. Its forty-stall roundhouse, large even for its time, became a major center for railroad activity for the CB\u0026Q. As a repair and construction facility, it produced more steam engines, passenger cars, precision parts, tools, and machines than any other CB\u0026Q installation. At least 250 locomotives were built in Aurora between 1871 and 1910\u2014a period in which track mileage increased five-fold and railroads were the only cross-country transportation.\u003C/span\u003E\u003C/span\u003E and railroads were the only cross-country transportation.","title":"Chicago Burlington \u0026 Quincy Railroad Roundhouse","link":"","lat":41.760884,"lon":-88.308654,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Childs-Irving_Hydroelectric_Project\" title=\"ASME-Landmark:Childs-Irving Hydroelectric Project\"\u003EChilds-Irving Hydroelectric Project\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Childs Plant, which included three Pel\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Childs Plant, which included three Pelton-wheel generators at 9,000 horsepower (6,700 kilowatts), was completed in 1909, followed by the Irving Plant with a single Allis-Chalmers\u0026#039; Francis turbine at 2,100 horsepower (1,560 kilowatts), completed in 1916. Mule teams carried construction materials up the mountainous terrain, necessitating innovative use of steel towers rather than wooden transmission poles.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Childs Plant, which included three Pelton-wheel generators at 9,000 horsepower (6,700 kilowatts), was completed in 1909, followed by the Irving Plant with a single Allis-Chalmers' Francis turbine at 2,100 horsepower (1,560 kilowatts), completed in 1916. Mule teams carried construction materials up the mountainous terrain, necessitating innovative use of steel towers rather than wooden transmission poles.\u003C/span\u003E\u003C/span\u003Eers rather than wooden transmission poles.","title":"Childs-Irving Hydroelectric Project","link":"","lat":34.349722,"lon":-111.699167,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Choate_Bridge,_1764\" title=\"ASCE-Landmark:Choate Bridge, 1764\"\u003EChoate Bridge, 1764\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Choate Bridge is the oldest documented two-span masonry arch bridge in the United States","title":"Choate Bridge, 1764","link":"","lat":42.67944444,"lon":-70.83777778,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:City_Plan_of_Philadelphia,_1682\" title=\"ASCE-Landmark:City Plan of Philadelphia, 1682\"\u003ECity Plan of Philadelphia, 1682\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIncluding many firsts for the United States, such as a gridiron street pattern and open public squares, the city plan of Philadelphia provided a model for city planning that has helped mold the development of cities throughout the country.","title":"City Plan of Philadelphia, 1682","link":"","lat":22.60805556,"lon":-102.3791667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:City_Plan_of_Savannah,_1733\" title=\"ASCE-Landmark:City Plan of Savannah, 1733\"\u003ECity Plan of Savannah, 1733\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe city plan of Savannah is the oldest city plan in the United States to use a repetitive modular grid with mixed residential blocks and multi-purpose public areas, a concept still being emulated by urban planners today.","title":"City Plan of Savannah, 1733","link":"","lat":32.01666667,"lon":-81.11666667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Cleveland_Hopkins_Airport,_1925\" title=\"ASCE-Landmark:Cleveland Hopkins Airport, 1925\"\u003ECleveland Hopkins Airport, 1925\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Cleveland Hopkins Airport is the first major municipal airport to provide an integrated engineered system of paved landing surfaces, floodlit runways, and a terminal complex consisting of both operational buildings and hangars.","title":"Cleveland Hopkins Airport, 1925","link":"","lat":41.41166667,"lon":-81.84972222,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Colorado_River_Aqueduct,_1933-1941\" title=\"ASCE-Landmark:Colorado River Aqueduct, 1933-1941\"\u003EColorado River Aqueduct, 1933-1941\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe 242-mile Colorado River aqueduct provided the water that made the large scale population and economic growth of Southern California possible.","title":"Colorado River Aqueduct, 1933-1941","link":"","lat":34.289984,"lon":-114.172094,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Columbia-Wrightsville_Bridge,_1930\" title=\"ASCE-Landmark:Columbia-Wrightsville Bridge, 1930\"\u003EColumbia-Wrightsville Bridge, 1930\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen completed, the Columbia-Wrightsville Bridge was the longest multiple-arch concrete highway bridge (one-mile) in the world.","title":"Columbia-Wrightsville Bridge, 1930","link":"","lat":40.02888889,"lon":-76.51694444,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Columbia_(Old)_River_Scenic_Highway,_1913_-_1922\" title=\"ASCE-Landmark:Columbia (Old) River Scenic Highway, 1913 - 1922\"\u003EColumbia (Old) River Scenic Highway, 1913 - 1922\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Columbia River Scenic Highway is an outstanding example of civil engineering, which blended 74 miles of roadways, tunnels, viaducts, and overlooks into the natural environment harmoniously.","title":"Columbia (Old) River Scenic Highway, 1913 - 1922","link":"","lat":45.633333,"lon":-121.216667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Colvin_Run_Mill\" title=\"ASME-Landmark:Colvin Run Mill\"\u003EColvin Run Mill\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EColvin Run Mill is an early 19th century o\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Colvin Run Mill is an early 19th century operating gristmill, closely modeled on the principles developed by Oliver Evans (1755-1819). Powered by a waterwheel, the restored mill was probably built on or after 1811 on the site of an older mill. Originally, the site was the property of George Washington, who identified it as ideal for a mill site.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EColvin Run Mill is an early 19th century operating gristmill, closely modeled on the principles developed by Oliver Evans (1755-1819). Powered by a waterwheel, the restored mill was probably built on or after 1811 on the site of an older mill. Originally, the site was the property of George Washington, who identified it as ideal for a mill site.\u003C/span\u003E\u003C/span\u003Eho identified it as ideal for a mill site.","title":"Colvin Run Mill","link":"","lat":38.968495,"lon":-77.293053,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Commonwealth_Building_Heat_Pump\" title=\"ASME-Landmark:Commonwealth Building Heat Pump\"\u003ECommonwealth Building Heat Pump\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe use of heat pumps for the heating and \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The use of heat pumps for the heating and cooling of the Commonwealth Building, initiated in 1948, was a pioneering achievement in the western hemisphere. The theoretical conception of the heat pump was described in a neglected book, published in 1824 and written by a young French army officer, Sadi Carnot. Its practical application on a large scale is attributable to designers J. Donald Kroeker and Ray C. Chewning, building engineer Charles E. Graham, and architect Pietro Belluschi.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe use of heat pumps for the heating and cooling of the Commonwealth Building, initiated in 1948, was a pioneering achievement in the western hemisphere. The theoretical conception of the heat pump was described in a neglected book, published in 1824 and written by a young French army officer, Sadi Carnot. Its practical application on a large scale is attributable to designers J. Donald Kroeker and Ray C. Chewning, building engineer Charles E. Graham, and architect Pietro Belluschi.\u003C/span\u003E\u003C/span\u003EE. Graham, and architect Pietro Belluschi.","title":"Commonwealth Building Heat Pump","link":"","lat":45.52083,"lon":-122.67802,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Conwy_Suspension_Bridge,_1826\" title=\"ASCE-Landmark:Conwy Suspension Bridge, 1826\"\u003EConwy Suspension Bridge, 1826\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EA major structure on the strategically important Bangor to Chester road, the Conwy Suspension Bridge was built with the identical technology developed for the larger Menai Bridge and still has its original iron chains.","title":"Conwy Suspension Bridge, 1826","link":"","lat":53.28333333,"lon":-3.816666667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Conwy_Tubular_Bridge,_1848\" title=\"ASCE-Landmark:Conwy Tubular Bridge, 1848\"\u003EConwy Tubular Bridge, 1848\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Conwy Tubular Bridge was the first railway bridge in which trains ran through the main girders. It represents a pioneering use of wrought iron for bridges and a major advance in the development of box-section girder elements.","title":"Conwy Tubular Bridge, 1848","link":"","lat":53.28027778,"lon":-3.823611111,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Coolspring_Power_Museum\" title=\"ASME-Landmark:Coolspring Power Museum\"\u003ECoolspring Power Museum\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Coolspring Power Museum exhibits examp\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Coolspring Power Museum exhibits examples of most of the early solutions and innovations that affected the marketability of the stationary internal combustion engine. Built up from the collections of John Wilcox and Paul Harvey (in the 1950s), this museum grew into possibly the largest US collection of internal combustion engine technology, including about 250 engines many of which are permanently mounted and operational.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Coolspring Power Museum exhibits examples of most of the early solutions and innovations that affected the marketability of the stationary internal combustion engine. Built up from the collections of John Wilcox and Paul Harvey (in the 1950s), this museum grew into possibly the largest US collection of internal combustion engine technology, including about 250 engines many of which are permanently mounted and operational.\u003C/span\u003E\u003C/span\u003Eh are permanently mounted and operational.","title":"Coolspring Power Museum","link":"","lat":41.042888,"lon":-79.084368,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Cooper-Bessemer_Type_GMV_Integral-Angle_Gas_Engine-Compressor\" title=\"ASME-Landmark:Cooper-Bessemer Type GMV Integral-Angle Gas Engine-Compressor\"\u003ECooper-Bessemer Type GMV Integral-Angle Gas Engine-Compressor\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Cooper-Bessemer Type GMV Integral-Angl\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Cooper-Bessemer Type GMV Integral-Angle Gas Engine-Compressor was a product of the combined technology and design heritage of both the C. \u0026amp; G. Cooper Company of Mount Vernon and the Bessemer Gas Engine Company of Pennsylvania, which had merged in 1929. Ralph L. Boyer, the chief architect of the GMV, worked for Cooper-Bessemer from 1926 through 1965.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Cooper-Bessemer Type GMV Integral-Angle Gas Engine-Compressor was a product of the combined technology and design heritage of both the C. \u0026 G. Cooper Company of Mount Vernon and the Bessemer Gas Engine Company of Pennsylvania, which had merged in 1929. Ralph L. Boyer, the chief architect of the GMV, worked for Cooper-Bessemer from 1926 through 1965.\u003C/span\u003E\u003C/span\u003Eed for Cooper-Bessemer from 1926 through 1965.","title":"Cooper-Bessemer Type GMV Integral-Angle Gas Engine-Compressor","link":"","lat":40.379238,"lon":-82.508707,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Cooper_Steam_Traction_Engine_Collection\" title=\"ASME-Landmark:Cooper Steam Traction Engine Collection\"\u003ECooper Steam Traction Engine Collection\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe engines at the Knox County Historical \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The engines at the Knox County Historical Society, built by Cooper \u0026amp; Co. of Mount Vernon, are among the oldest surviving agricultural steam engines to show the evolution from the portable, skid-mounted engine (ca. 1860), to the horse-drawn engine (1875), to the self-propelled but horse-guided engine (1875), and finally to the self-propelled, self-steered traction engine (1883). Such engines powered the conversion to mechanized farming, which was a great hallmark of the Industrial Revolution. Cooper built over 15,000 engines between 1853 and 1890 and other companies built thousands more based on the pioneering Cooper designs.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe engines at the Knox County Historical Society, built by Cooper \u0026 Co. of Mount Vernon, are among the oldest surviving agricultural steam engines to show the evolution from the portable, skid-mounted engine (ca. 1860), to the horse-drawn engine (1875), to the self-propelled but horse-guided engine (1875), and finally to the self-propelled, self-steered traction engine (1883). Such engines powered the conversion to mechanized farming, which was a great hallmark of the Industrial Revolution. Cooper built over 15,000 engines between 1853 and 1890 and other companies built thousands more based on the pioneering Cooper designs.\u003C/span\u003E\u003C/span\u003Es more based on the pioneering Cooper designs.","title":"Cooper Steam Traction Engine Collection","link":"","lat":40.379261,"lon":-82.508725,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Cooperative_Fuel_Research_Engine\" title=\"ASME-Landmark:Cooperative Fuel Research Engine\"\u003ECooperative Fuel Research Engine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe first commercial CFR engine was design\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The first commercial CFR engine was designed and built in forty-five days, beginning in December 1928. It was put on display on January 14, 1929 at the Society of Automotive Engineer\u0026#039;s Annual meeting. The engine improved the ability of the automotive and petroleum industries to tailor their products to perform better together, because it provided a recognized standard for defining fuel quality.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe first commercial CFR engine was designed and built in forty-five days, beginning in December 1928. It was put on display on January 14, 1929 at the Society of Automotive Engineer's Annual meeting. The engine improved the ability of the automotive and petroleum industries to tailor their products to perform better together, because it provided a recognized standard for defining fuel quality.\u003C/span\u003E\u003C/span\u003Egnized standard for defining fuel quality.","title":"Cooperative Fuel Research Engine","link":"","lat":43.004092,"lon":-88.249943,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Corning_Ribbon_Machine\" title=\"ASME-Landmark:Corning Ribbon Machine\"\u003ECorning Ribbon Machine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ECorning Glass Works and General Electric b\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Corning Glass Works and General Electric began developing rotary-style machines to produce light bulbs, but these still only produced 12, 24, or 48 bulbs during each revolution. In 1926, Corning Glass glassblower William J. Woods developed the ribbon machine, capable of producing up to two thousand light bulbs a minute.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003ECorning Glass Works and General Electric began developing rotary-style machines to produce light bulbs, but these still only produced 12, 24, or 48 bulbs during each revolution. In 1926, Corning Glass glassblower William J. Woods developed the ribbon machine, capable of producing up to two thousand light bulbs a minute.\u003C/span\u003E\u003C/span\u003Eg up to two thousand light bulbs a minute.","title":"Corning Ribbon Machine","link":"","lat":42.30317,"lon":-83.233198,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Cornish-Windsor_Covered_Bridge,_1866\" title=\"ASCE-Landmark:Cornish-Windsor Covered Bridge, 1866\"\u003ECornish-Windsor Covered Bridge, 1866\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Cornish-Windsor Covered Bridge, a two-span covered bridge with an overall length of 460 feet, is the longest covered bridge existing in the United States.","title":"Cornish-Windsor Covered Bridge, 1866","link":"","lat":43.46472222,"lon":-72.36916667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Cornwall_Iron_Furnace\" title=\"ASME-Landmark:Cornwall Iron Furnace\"\u003ECornwall Iron Furnace\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EFrom its inception, Cornwall occupied a sp\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"From its inception, Cornwall occupied a special position among Pennsylvania\u0026#039;s iron furnaces. It owes its existence to the Cornwall Ore Banks a few miles south of Lebanon, a deposit of rich magnetite ore that, until development of the Lake Superior deposits, was one of the most valuable iron-ore bodies in the U.S. It had been discovered in 1734 by Peter Grubb, who built a blast furnace in 1742.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EFrom its inception, Cornwall occupied a special position among Pennsylvania's iron furnaces. It owes its existence to the Cornwall Ore Banks a few miles south of Lebanon, a deposit of rich magnetite ore that, until development of the Lake Superior deposits, was one of the most valuable iron-ore bodies in the U.S. It had been discovered in 1734 by Peter Grubb, who built a blast furnace in 1742.\u003C/span\u003E\u003C/span\u003E Grubb, who built a blast furnace in 1742.","title":"Cornwall Iron Furnace","link":"","lat":40.270939,"lon":-76.407182,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Courtland_Street_Drawbridge,_1902\" title=\"ASCE-Landmark:Courtland Street Drawbridge, 1902\"\u003ECourtland Street Drawbridge, 1902\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Cortland Street Drawbridge, a trunnion-bascule highway bridge, was the first of its kind and became the model for this type of urban transportation structure","title":"Courtland Street Drawbridge, 1902","link":"","lat":41.91666667,"lon":-87.66666667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Craigellachie_Bridge,_1814\" title=\"ASCE-Landmark:Craigellachie Bridge, 1814\"\u003ECraigellachie Bridge, 1814\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe elegant 150-foot-span cast iron arch of the Craigellachie Bridge is the earliest surviving example of a new portable lattice-braced standard type developed for use at wide sites unsuitable for masonry spans.","title":"Craigellachie Bridge, 1814","link":"","lat":57.49155,"lon":-3.192383333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Cranetown_Triangulation_Site,_1817\" title=\"ASCE-Landmark:Cranetown Triangulation Site, 1817\"\u003ECranetown Triangulation Site, 1817\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EFieldwork established the Cranetown Triangulation Site as an essential part of the first precise geodetic survey in the United States.","title":"Cranetown Triangulation Site, 1817","link":"","lat":40.858023,"lon":-74.229791,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Crawler_Transporters_of_Launch_Complex_39\" title=\"ASME-Landmark:Crawler Transporters of Launch Complex 39\"\u003ECrawler Transporters of Launch Complex 39\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe two crawler transporters of Kennedy Sp\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The two crawler transporters of Kennedy Space Center\u0026#039;s launch complex are the largest ground vehicles ever built. Each 6-million-pound transporter can carry a 12-millon-pound Saturn V rocket and mobile launcher combination several miles to the launch pads. The transporters are so versatile that they could also be used to carry Space Shuttle vehicles, with the only modifications needed being adaptors to fit different vehicles.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe two crawler transporters of Kennedy Space Center's launch complex are the largest ground vehicles ever built. Each 6-million-pound transporter can carry a 12-millon-pound Saturn V rocket and mobile launcher combination several miles to the launch pads. The transporters are so versatile that they could also be used to carry Space Shuttle vehicles, with the only modifications needed being adaptors to fit different vehicles.\u003C/span\u003E\u003C/span\u003E being adaptors to fit different vehicles.","title":"Crawler Transporters of Launch Complex 39","link":"","lat":28.572863,"lon":-80.649002,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Creusot_Steam_Hammer\" title=\"ASME-Landmark:Creusot Steam Hammer\"\u003ECreusot Steam Hammer\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe introduction of steam-powered forging \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The introduction of steam-powered forging hammers by French and British engineers of the 1830s led to the building of an impressive hammer at Creusot that delivered blows to shape and strengthen iron and steel objects before forging. It was for years the most powerful steam hammer in the world\u2014but was still, as a writer observed in 1878, \u0026quot;capable of... corking a bottle without breakage.\u0026quot;\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe introduction of steam-powered forging hammers by French and British engineers of the 1830s led to the building of an impressive hammer at Creusot that delivered blows to shape and strengthen iron and steel objects before forging. It was for years the most powerful steam hammer in the world\u2014but was still, as a writer observed in 1878, \"capable of... corking a bottle without breakage.\"\u003C/span\u003E\u003C/span\u003E of... corking a bottle without breakage.\"","title":"Creusot Steam Hammer","link":"","lat":46.805461,"lon":4.423159,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Croton_Water_Supply_Systems,_1837-1842\" title=\"ASCE-Landmark:Croton Water Supply Systems, 1837-1842\"\u003ECroton Water Supply Systems, 1837-1842\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn its era, the Croton Water Supply System was the model municipal water supply system in the United States and the prototype for many large-scale projects that followed.","title":"Croton Water Supply Systems, 1837-1842","link":"","lat":40.858023,"lon":-74.229791,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Crown_Cork_and_Soda_Filling_Machine\" title=\"ASME-Landmark:Crown Cork and Soda Filling Machine\"\u003ECrown Cork and Soda Filling Machine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EOn February 2, 1892, William Painter (1838\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"On February 2, 1892, William Painter (1838-1906) patented a cheap, single-use metallic cap, crimped over a lip formed on the bottle neck and lined with a thin cork wafer that both formed a leakproof seal and separated drink and metal. In addition to solving previous engineering challenges, this disposable stopper insured future demand and continuing business.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EOn February 2, 1892, William Painter (1838-1906) patented a cheap, single-use metallic cap, crimped over a lip formed on the bottle neck and lined with a thin cork wafer that both formed a leakproof seal and separated drink and metal. In addition to solving previous engineering challenges, this disposable stopper insured future demand and continuing business.\u003C/span\u003E\u003C/span\u003Ered future demand and continuing business.","title":"Crown Cork and Soda Filling Machine","link":"","lat":39.335741,"lon":-76.476855,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Crozet%27s_Blue_Ridge_Tunnel,_1858\" title=\"ASCE-Landmark:Crozet\u0026#039;s Blue Ridge Tunnel, 1858\"\u003ECrozet's Blue Ridge Tunnel, 1858\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe 4,270-foot Crozet\u2019s Blue Ridge Tunnel was the longest railroad tunnel in the United States of its time and represents the culmination of civil engineering technology based on manual drilling methods.","title":"Crozet's Blue Ridge Tunnel, 1858","link":"","lat":38.03833333,"lon":-78.8625,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Cruquius_Pumping_Station\" title=\"ASME-Landmark:Cruquius Pumping Station\"\u003ECruquius Pumping Station\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ENearly three identical pumping stations dr\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Nearly three identical pumping stations drained the Haarlemmermeer (Haarlem Lake) from 1849-1852 and then continued to maintain the polder\u0026#039;s water table for more than 80 years. The Haarlemmermeer area covers 45,000 acres (about 70 square miles) in a triangular region between the cities of Amsterdam, Haarlem, and Leiden. The Cruquius pumping station was instrumental in removing millions of gallons of water to reclaim valuable new land for farming, industry, and residences. The traditional solution would have been windmills with Archmidean screw pumps, but designers Joseph Gibbs and Arthur Dean came up with a steam engine design based on the mining engines at Cornwall, England (known as Cornish engines).\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003ENearly three identical pumping stations drained the Haarlemmermeer (Haarlem Lake) from 1849-1852 and then continued to maintain the polder's water table for more than 80 years. The Haarlemmermeer area covers 45,000 acres (about 70 square miles) in a triangular region between the cities of Amsterdam, Haarlem, and Leiden. The Cruquius pumping station was instrumental in removing millions of gallons of water to reclaim valuable new land for farming, industry, and residences. The traditional solution would have been windmills with Archmidean screw pumps, but designers Joseph Gibbs and Arthur Dean came up with a steam engine design based on the mining engines at Cornwall, England (known as Cornish engines).\u003C/span\u003E\u003C/span\u003Enwall, England (known as Cornish engines).","title":"Cruquius Pumping Station","link":"","lat":52.338149,"lon":4.638016,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Cryogenic_Cooling_System,_Fermilab_Tevatron\" title=\"ASME-Landmark:Cryogenic Cooling System, Fermilab Tevatron\"\u003ECryogenic Cooling System, Fermilab Tevatron\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen placed in service in 1983, the Tevatr\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"When placed in service in 1983, the Tevatron cooling system at the Fermi National Accelerator Laboratory was the largest cryogenic system ever built, doubling the world\u0026#039;s capacity to liquefy helium. The world\u0026#039;s first high-energy accelerator, the Tevatron provided a benchmark of performance and feasibility for superconducting magnet design.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EWhen placed in service in 1983, the Tevatron cooling system at the Fermi National Accelerator Laboratory was the largest cryogenic system ever built, doubling the world's capacity to liquefy helium. The world's first high-energy accelerator, the Tevatron provided a benchmark of performance and feasibility for superconducting magnet design.\u003C/span\u003E\u003C/span\u003Eibility for superconducting magnet design.","title":"Cryogenic Cooling System, Fermilab Tevatron","link":"","lat":41.838331,"lon":-88.261633,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Cumbres_and_Toltec_Scenic_Railway,_1880\" title=\"ASCE-Landmark:Cumbres and Toltec Scenic Railway, 1880\"\u003ECumbres and Toltec Scenic Railway, 1880\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe 64-mile Cumbres \u0026amp; Toltec Scenic Railway is now one of the last narrow gauge railroads in existence.","title":"Cumbres and Toltec Scenic Railway, 1880","link":"","lat":36.9,"lon":-106.5833333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Curtis_500-kW_Vertical_Turbine\" title=\"ASME-Landmark:Curtis 500-kW Vertical Turbine\"\u003ECurtis 500-kW Vertical Turbine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn 1896, Charles G. Curtis (1860-1953) patented two turbine concepts that led to the commercial production of low-cost, single-cylinder turbines to provide the electricity so much in demand in the United States during the early 1900s.","title":"Curtis 500-kW Vertical Turbine","link":"","lat":39.712079,"lon":-86.194267,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Curtis_5000-kW_Vertical_Turbine\" title=\"ASME-Landmark:Curtis 5000-kW Vertical Turbine\"\u003ECurtis 5000-kW Vertical Turbine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBuilt in 1903, the 5,000-kilowatt Curtis s\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Built in 1903, the 5,000-kilowatt Curtis steam turbine-generator was the most powerful in the world at the time of its construction. It stood just 25 feet high, much shorter than the 60-foot reciprocating engine-generator of a similar capacity, and took up considerably less floor area. The combined innovation and effectiveness of the 5,000-kilowatt Curtis steam turbine-generator helped to stimulate the growth of modern electrical generation in large central stations nationwide.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EBuilt in 1903, the 5,000-kilowatt Curtis steam turbine-generator was the most powerful in the world at the time of its construction. It stood just 25 feet high, much shorter than the 60-foot reciprocating engine-generator of a similar capacity, and took up considerably less floor area. The combined innovation and effectiveness of the 5,000-kilowatt Curtis steam turbine-generator helped to stimulate the growth of modern electrical generation in large central stations nationwide.\u003C/span\u003E\u003C/span\u003Etion in large central stations nationwide.","title":"Curtis 5000-kW Vertical Turbine","link":"","lat":42.809913,"lon":-73.953757,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:David_Taylor_Model_Basin\" title=\"ASME-Landmark:David Taylor Model Basin\"\u003EDavid Taylor Model Basin\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe David Taylor Model Basin was conceived, designed, and built by the United States Navy Department in 1939 for building and testing ship models in accordance with the most modern and the most accurate methods.","title":"David Taylor Model Basin","link":"","lat":38.974065,"lon":-77.196304,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Davis_Island_Lock_%26_Dam,_1878-1885\" title=\"ASCE-Landmark:Davis Island Lock \u0026amp; Dam, 1878-1885\"\u003EDavis Island Lock \u0026amp; Dam, 1878-1885\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Davis Island Lock facility, the world\u2019s first rolling lock gate and the widest lock chamber ever built, served as the prototype for 50 similar locks in the Ohio River canalization.","title":"Davis Island Lock \u0026 Dam, 1878-1885","link":"","lat":40.49305556,"lon":-80.06555556,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Denison_Dam,_1943\" title=\"ASCE-Landmark:Denison Dam, 1943\"\u003EDenison Dam, 1943\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Denison Dam was the largest rolled-earth fill dam in the United States when it was constructed from 1939 to 1943.","title":"Denison Dam, 1943","link":"","lat":33.91666667,"lon":-96.56666667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Detroit-Windsor_Tunnel,_1930\" title=\"ASCE-Landmark:Detroit-Windsor Tunnel, 1930\"\u003EDetroit-Windsor Tunnel, 1930\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen constructed, the Detroit-Windsor Tunnel, a subaqueous single tube highway tunnel, was an exceptional engineering achievement using three distinct tunneling techniques. It was also the first use of arc welding in tunneling history.","title":"Detroit-Windsor Tunnel, 1930","link":"","lat":42.32450278,"lon":-83.04005278,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Detroit_Edison_District_Heating_System\" title=\"ASME-Landmark:Detroit Edison District Heating System\"\u003EDetroit Edison District Heating System\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn 1903 officials of the newly formed Detr\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In 1903 officials of the newly formed Detroit Edison Company in Michigan, made the decision to establish the wholly-owned Edison Illuminating Company\u0026#039;s Willis Avenue generating station as a district heating source. The exhaust from its steam engines would be used to heat buildings in the neighborhood, to improve thermal efficiency.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn 1903 officials of the newly formed Detroit Edison Company in Michigan, made the decision to establish the wholly-owned Edison Illuminating Company's Willis Avenue generating station as a district heating source. The exhaust from its steam engines would be used to heat buildings in the neighborhood, to improve thermal efficiency.\u003C/span\u003E\u003C/span\u003Eighborhood, to improve thermal efficiency.","title":"Detroit Edison District Heating System","link":"","lat":42.334734,"lon":-83.056737,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Digital_Micromirror_Device\" title=\"ASME-Landmark:Digital Micromirror Device\"\u003EDigital Micromirror Device\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe development of the Digital Micromirror\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The development of the Digital Micromirror Device (DMD) began in 1977 with the forming of a small team at Texas Instruments headed by noted physicist Larry Hornbeck. The Department of Defense had given Texas Instruments a project to create a device that could modulate light. Through years of research and development, Hornbeck came up with an idea to use micromirrors as a sort of on-off switch to modulate digital light pulses.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe development of the Digital Micromirror Device (DMD) began in 1977 with the forming of a small team at Texas Instruments headed by noted physicist Larry Hornbeck. The Department of Defense had given Texas Instruments a project to create a device that could modulate light. Through years of research and development, Hornbeck came up with an idea to use micromirrors as a sort of on-off switch to modulate digital light pulses.\u003C/span\u003E\u003C/span\u003Ef switch to modulate digital light pulses.","title":"Digital Micromirror Device","link":"","lat":33.063611,"lon":-96.694647,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Dismal_Swamp_Canal,_1793-1805\" title=\"ASCE-Landmark:Dismal Swamp Canal, 1793-1805\"\u003EDismal Swamp Canal, 1793-1805\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Dismal Swamp Canal is the oldest surviving artificial waterway in continuous use in the United States.","title":"Dismal Swamp Canal, 1793-1805","link":"","lat":36.74625,"lon":-76.340028,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Disneyland_Monorail_System\" title=\"ASME-Landmark:Disneyland Monorail System\"\u003EDisneyland Monorail System\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EDisney engineers designed the Disneyland m\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Disney engineers designed the Disneyland monorail system based on the system developed by Axel Wenner-Gren of the Alweg Company in Cologne, West Germany. Wenner-Gren ran his experimental monorail in 1952 on a level track, and when adopted by Disney in 1959, it was designed to simulate the terrain typical of urban transit. At the time, Walt Disney envisioned the monorail as a practical form of public transport for the future, and opened it as a sightseeing attraction in Tomorrowland. It became a true transportation system in 1961 with a 2.5-mile extension and a second platform, and continued to expand throughout Tomorrowland and into Downtown Disney.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EDisney engineers designed the Disneyland monorail system based on the system developed by Axel Wenner-Gren of the Alweg Company in Cologne, West Germany. Wenner-Gren ran his experimental monorail in 1952 on a level track, and when adopted by Disney in 1959, it was designed to simulate the terrain typical of urban transit. At the time, Walt Disney envisioned the monorail as a practical form of public transport for the future, and opened it as a sightseeing attraction in Tomorrowland. It became a true transportation system in 1961 with a 2.5-mile extension and a second platform, and continued to expand throughout Tomorrowland and into Downtown Disney.\u003C/span\u003E\u003C/span\u003Eout Tomorrowland and into Downtown Disney.","title":"Disneyland Monorail System","link":"","lat":33.812027,"lon":-117.918963,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Ditch_Witch_DWP_Service-Line_Trencher\" title=\"ASME-Landmark:Ditch Witch DWP Service-Line Trencher\"\u003EDitch Witch DWP Service-Line Trencher\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Ditch Witch (trencher) Power, or DWP, \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Ditch Witch (trencher) Power, or DWP, was the first mechanized, compact service-line trencher developed for laying underground water lines between the street-main and the house. This machine, first produced in 1949, replaced manual digging, thus making installation of running water and indoor plumbing affordable for the common household. The DWP paved the way for the creation of a worldwide trenching-products industry.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Ditch Witch (trencher) Power, or DWP, was the first mechanized, compact service-line trencher developed for laying underground water lines between the street-main and the house. This machine, first produced in 1949, replaced manual digging, thus making installation of running water and indoor plumbing affordable for the common household. The DWP paved the way for the creation of a worldwide trenching-products industry.\u003C/span\u003E\u003C/span\u003Ef a worldwide trenching-products industry.","title":"Ditch Witch DWP Service-Line Trencher","link":"","lat":36.28501,"lon":-97.284174,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Dorton_Arena,_1952\" title=\"ASCE-Landmark:Dorton Arena, 1952\"\u003EDorton Arena, 1952\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Dorton Arena was the first permanent use of a cable-supported roof system in the world","title":"Dorton Arena, 1952","link":"","lat":35.8,"lon":-78.71666667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Drake_Oil_Well\" title=\"ASME-Landmark:Drake Oil Well\"\u003EDrake Oil Well\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn 1858, the Seneca Oil Company formed wit\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In 1858, the Seneca Oil Company formed with the intent of drilling for oil in the style of Kier\u0026#039;s salt-well derricks. Edwin L. Drake, a stockholder, served as the General Agent for this company. His oil well, built in 1859, yielded an average of 1,000 gallons daily for three years. By 1864, Pennsylvania\u0026#039;s Oil Creek had become celebrated as the site of the richest oil-producing region on Earth.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn 1858, the Seneca Oil Company formed with the intent of drilling for oil in the style of Kier's salt-well derricks. Edwin L. Drake, a stockholder, served as the General Agent for this company. His oil well, built in 1859, yielded an average of 1,000 gallons daily for three years. By 1864, Pennsylvania's Oil Creek had become celebrated as the site of the richest oil-producing region on Earth.\u003C/span\u003E\u003C/span\u003Ethe richest oil-producing region on Earth.","title":"Drake Oil Well","link":"","lat":41.611331,"lon":-79.658379,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Druid_Lake_Dam,_1871\" title=\"ASCE-Landmark:Druid Lake Dam, 1871\"\u003EDruid Lake Dam, 1871\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen completed, the Druid Lake Dam was the first major earthfill dam to be constructed in the United States.","title":"Druid Lake Dam, 1871","link":"","lat":39.30010683,"lon":-76.62635683,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Dublin-Belfast_Rail_Link,_1855\" title=\"ASCE-Landmark:Dublin-Belfast Rail Link, 1855\"\u003EDublin-Belfast Rail Link, 1855\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Dublin-Belfast rail-link provides a link between Northern Ireland and the Republic of Ireland and is recognized for the first large-scale use of wrought-iron latticed girders and the first full-scale test of continuous beams.","title":"Dublin-Belfast Rail Link, 1855","link":"","lat":54.597,"lon":-5.93,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Duck_Creek_Aqueduct,_1847\" title=\"ASCE-Landmark:Duck Creek Aqueduct, 1847\"\u003EDuck Creek Aqueduct, 1847\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Duck Creek Aqueduct, a 71-foot span, is the oldest wooden covered aqueduct in the country.","title":"Duck Creek Aqueduct, 1847","link":"","lat":39.45,"lon":-85.13333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Dunlap%27s_Creek_Bridge,_1838\" title=\"ASCE-Landmark:Dunlap\u0026#039;s Creek Bridge, 1838\"\u003EDunlap's Creek Bridge, 1838\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Dunlap\u2019s Creek Bridge is the oldest all-metal arch bridge in the United States. It demonstrated the feasibility of using cast iron in bridge construction.","title":"Dunlap's Creek Bridge, 1838","link":"","lat":40.02166667,"lon":-79.88805556,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Duquesne_Incline\" title=\"ASME-Landmark:Duquesne Incline\"\u003EDuquesne Incline\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Duquesne Incline is one of seventeen built and operated in Pittsburgh in the 19th century. Of the seventeen, the Duquesne and the Monongahela (landmark #26) are the only two remaining operating units.","title":"Duquesne Incline","link":"","lat":40.439865,"lon":-80.017654,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Durango-Silverton_Narrow_Gauge_Br_of_the_D%26RGWR,_1882\" title=\"ASCE-Landmark:Durango-Silverton Narrow Gauge Br of the D\u0026amp;RGWR, 1882\"\u003EDurango-Silverton Narrow Gauge Br of the D\u0026amp;RGWR, 1882\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Durango-Silverton Narrow Gauge Train is one of the last of the narrow gauge railroads, linking the Colorado mining towns of Durango and Silverton and is an example of the important role that civil engineering played in developing the west.","title":"Durango-Silverton Narrow Gauge Br of the D\u0026RGWR, 1882","link":"","lat":37.2975,"lon":-107.8705556,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:EIMCO_Rocker_Shovel_Loader,_Model_12B\" title=\"ASME-Landmark:EIMCO Rocker Shovel Loader, Model 12B\"\u003EEIMCO Rocker Shovel Loader, Model 12B\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Rocker Shovel Loader 12B, built in 193\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Rocker Shovel Loader 12B, built in 1938, provided a significant boost to underground mining productivity by emulating the movements of the human \u0026quot;mucker,\u0026quot; the laborer who removed rubble, or \u0026quot;muck,\u0026quot; from underground mines, particularly in and narrow mine tunnels.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Rocker Shovel Loader 12B, built in 1938, provided a significant boost to underground mining productivity by emulating the movements of the human \"mucker,\" the laborer who removed rubble, or \"muck,\" from underground mines, particularly in and narrow mine tunnels.\u003C/span\u003E\u003C/span\u003E, particularly in and narrow mine tunnels.","title":"EIMCO Rocker Shovel Loader, Model 12B","link":"","lat":40.644626,"lon":-111.49612,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Eads_Bridge,_1874\" title=\"ASCE-Landmark:Eads Bridge, 1874\"\u003EEads Bridge, 1874\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ETo found the mid-river piers of the Eads B\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"To found the mid-river piers of the Eads Bridge on solid rock, James B. Eads used the first large pneumatic caissons in the United States. Their sinking represented the deepest subaqueous construction work in the world at the time, and the bridge\u2019s name honors Eads\u2019 ingenuity.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003ETo found the mid-river piers of the Eads Bridge on solid rock, James B. Eads used the first large pneumatic caissons in the United States. Their sinking represented the deepest subaqueous construction work in the world at the time, and the bridge\u2019s name honors Eads\u2019 ingenuity.\u003C/span\u003E\u003C/span\u003E the bridge\u2019s name honors Eads\u2019 ingenuity.","title":"Eads Bridge, 1874","link":"","lat":38.62805556,"lon":-90.17138889,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Eads_South_Pass_Navigation_Works,_1875-1879\" title=\"ASCE-Landmark:Eads South Pass Navigation Works, 1875-1879\"\u003EEads South Pass Navigation Works, 1875-1879\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Eads South Pass Navigation Works enabled the entire Mississippi River basin to have direct deep draught marine access to the oceans of the world. Today it is still a classic of hydraulic engineering.","title":"Eads South Pass Navigation Works, 1875-1879","link":"","lat":29.01559806,"lon":-89.17104889,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:East_Maui_Irrigation_System,_1876-1923\" title=\"ASCE-Landmark:East Maui Irrigation System, 1876-1923\"\u003EEast Maui Irrigation System, 1876-1923\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBuilt by private enterprise, the East Maui Irrigation System was a pioneering example of irrigation technology. It consists of 74 miles of tunnels, ditches, inverted siphons, and flumes with a capacity of 455 million gallons per day.","title":"East Maui Irrigation System, 1876-1923","link":"","lat":20.8,"lon":-156.3333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:East_Wells_(Onieda)_Street_Power_Plant\" title=\"ASME-Landmark:East Wells (Onieda) Street Power Plant\"\u003EEast Wells (Onieda) Street Power Plant\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EFormerly known as the Oneida Street Power \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Formerly known as the Oneida Street Power Plant for its location on then-Oneida Street (now Wells Street), the East Wells Street Power Plant was built in 1898 to 1900 by The Milwaukee Electric Railway \u0026amp; Light Company, which, as the Wisconsin Energy Corporation, eventually became the major supplier of power to eastern Wisconsin.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EFormerly known as the Oneida Street Power Plant for its location on then-Oneida Street (now Wells Street), the East Wells Street Power Plant was built in 1898 to 1900 by The Milwaukee Electric Railway \u0026 Light Company, which, as the Wisconsin Energy Corporation, eventually became the major supplier of power to eastern Wisconsin.\u003C/span\u003E\u003C/span\u003E major supplier of power to eastern Wisconsin.","title":"East Wells (Onieda) Street Power Plant","link":"","lat":43.041023,"lon":-87.911379,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Ecole_Nationale_des_Ponts_et_Chaussees,_1747\" title=\"ASCE-Landmark:Ecole Nationale des Ponts et Chaussees, 1747\"\u003EEcole Nationale des Ponts et Chaussees, 1747\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EFounded in 1747, and still operating, the Ecole Nationale Des Ponts et Chaussees is the oldest civil engineering school in the world.","title":"Ecole Nationale des Ponts et Chaussees, 1747","link":"","lat":48.83333333,"lon":2.333333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Eddystone_Lighthouse,_1698-1882\" title=\"ASCE-Landmark:Eddystone Lighthouse, 1698-1882\"\u003EEddystone Lighthouse, 1698-1882\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Eddystone Lighthouse was the first masonry-tower lighthouse to be built at sea, and its form was universally adopted.","title":"Eddystone Lighthouse, 1698-1882","link":"","lat":50.36666667,"lon":-4.15,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Eddystone_Station_Unit\" title=\"ASME-Landmark:Eddystone Station Unit\"\u003EEddystone Station Unit\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EOperated by the Philadelphia Electric Comp\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Operated by the Philadelphia Electric Company (PECO), now known as Exelon Corp., Eddystone Station Unit #1 is a 325 MW pulverized-coal-fired plant that pushed the technology of steam-electric generating plants. When built in 1960, engineers sought to make a more efficient plant using higher temperatures and pressures and larger machines. Previous experience at Philo 6 (Zanesville, Ohio, 1957, ASME landmark #228) had demonstrated that supercritical steam plants would work, so engineers worked toward even larger machines and efficiencies. By reducing pressure and temperature conditions slightly, the engineers succeeded while discovering a more economically viable generating plant design.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EOperated by the Philadelphia Electric Company (PECO), now known as Exelon Corp., Eddystone Station Unit #1 is a 325 MW pulverized-coal-fired plant that pushed the technology of steam-electric generating plants. When built in 1960, engineers sought to make a more efficient plant using higher temperatures and pressures and larger machines. Previous experience at Philo 6 (Zanesville, Ohio, 1957, ASME landmark #228) had demonstrated that supercritical steam plants would work, so engineers worked toward even larger machines and efficiencies. By reducing pressure and temperature conditions slightly, the engineers succeeded while discovering a more economically viable generating plant design.\u003C/span\u003E\u003C/span\u003Eonomically viable generating plant design.","title":"Eddystone Station Unit","link":"","lat":39.86677,"lon":-75.300148,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Edgar_Station,_Edison_Electric_Illuminating_Co.\" title=\"ASME-Landmark:Edgar Station, Edison Electric Illuminating Co.\"\u003EEdgar Station, Edison Electric Illuminating Co.\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Edgar Station high-pressure topping tu\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Edgar Station high-pressure topping turbine and boiler set a new record for economy in the mid-1920s by producing electricity at the rate of 1 kilowatt hour per 1 pound of coal, when it was common to burn 5 to 10 pounds. Boston Edison achieved this feat by operating a boiler and turbine unit at 1,200 pounds of steam pressure and exhausting into a 350-pound steam header. This \u0026quot;high-pressure\u0026quot; unit, the only one of its kind in the world, was developed under the supervision of Irving Moultrop.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Edgar Station high-pressure topping turbine and boiler set a new record for economy in the mid-1920s by producing electricity at the rate of 1 kilowatt hour per 1 pound of coal, when it was common to burn 5 to 10 pounds. Boston Edison achieved this feat by operating a boiler and turbine unit at 1,200 pounds of steam pressure and exhausting into a 350-pound steam header. This \"high-pressure\" unit, the only one of its kind in the world, was developed under the supervision of Irving Moultrop.\u003C/span\u003E\u003C/span\u003E under the supervision of Irving Moultrop.","title":"Edgar Station, Edison Electric Illuminating Co.","link":"","lat":42.24273,"lon":-70.965247,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Edison_%22Jumbo%22_Engine-Driver_Dynamo\" title=\"ASME-Landmark:Edison \u0026quot;Jumbo\u0026quot; Engine-Driver Dynamo\"\u003EEdison \"Jumbo\" Engine-Driver Dynamo\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThis dynamo, connected directly to a high-\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"This dynamo, connected directly to a high-speed steam engine, was one of six that produced direct current at Thomas A. Edison\u0026#039;s electric power station at 257 Pearl Street in New York City. The Pearl Street Station was the prototype for central station power generation. Edison set out in 1878 to provide an electrical distribution system to bring lighting into the home: His first filament lamp lit on October 21, 1879. With the help of Frances Upton and C.L. Clarke, Edison built his engine-driven dynamo for the 1881 Paris Electrical Exposition, and commercial operation of Pearl Street Station began on September 4, 1882.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThis dynamo, connected directly to a high-speed steam engine, was one of six that produced direct current at Thomas A. Edison's electric power station at 257 Pearl Street in New York City. The Pearl Street Station was the prototype for central station power generation. Edison set out in 1878 to provide an electrical distribution system to bring lighting into the home: His first filament lamp lit on October 21, 1879. With the help of Frances Upton and C.L. Clarke, Edison built his engine-driven dynamo for the 1881 Paris Electrical Exposition, and commercial operation of Pearl Street Station began on September 4, 1882.\u003C/span\u003E\u003C/span\u003EStreet Station began on September 4, 1882.","title":"Edison \"Jumbo\" Engine-Driver Dynamo","link":"","lat":42.303101,"lon":-83.233109,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Edison_Experimental_Recording_Phonograph\" title=\"ASME-Landmark:Edison Experimental Recording Phonograph\"\u003EEdison Experimental Recording Phonograph\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn 1877, Thomas Edison invented the phonog\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In 1877, Thomas Edison invented the phonograph\u2014the first device able to record and reproduce the recorded sound. His phonograph originally recorded sound onto a tinfoil sheet wrapped around a rotating cylinder. A stylus responding to sound vibrations produced an up-and-down groove in the foil. On December 6, 1877, Thomas Edison famously recorded a verse of Mary Had a Little Lamb \u0026quot;almost perfectly.\u0026quot;\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn 1877, Thomas Edison invented the phonograph\u2014the first device able to record and reproduce the recorded sound. His phonograph originally recorded sound onto a tinfoil sheet wrapped around a rotating cylinder. A stylus responding to sound vibrations produced an up-and-down groove in the foil. On December 6, 1877, Thomas Edison famously recorded a verse of Mary Had a Little Lamb \"almost perfectly.\"\u003C/span\u003E\u003C/span\u003EMary Had a Little Lamb \"almost perfectly.\"","title":"Edison Experimental Recording Phonograph","link":"","lat":40.783768,"lon":-74.233552,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Eiffel_1903_Drop_Test_Machine_and_1912_Wind_Tunnel\" title=\"ASME-Landmark:Eiffel 1903 Drop Test Machine and 1912 Wind Tunnel\"\u003EEiffel 1903 Drop Test Machine and 1912 Wind Tunnel\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn 1903, Eiffel built a device to test the\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In 1903, Eiffel built a device to test the drag on various bodies by dropping them along a vertical cable hung from the second level of the tower that bears his name. He built a machine that accurately measured drag during the fall and recorded it on a chart within the machine. He tested about 40 shapes this way over the next three years.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn 1903, Eiffel built a device to test the drag on various bodies by dropping them along a vertical cable hung from the second level of the tower that bears his name. He built a machine that accurately measured drag during the fall and recorded it on a chart within the machine. He tested about 40 shapes this way over the next three years.\u003C/span\u003E\u003C/span\u003Eshapes this way over the next three years.","title":"Eiffel 1903 Drop Test Machine and 1912 Wind Tunnel","link":"","lat":48.84238,"lon":2.262999,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Eiffel_Tower,_1889\" title=\"ASCE-Landmark:Eiffel Tower, 1889\"\u003EEiffel Tower, 1889\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen completed, the Eiffel Tower was the highest structure in the world and became renowned as a symbol of Paris.","title":"Eiffel Tower, 1889","link":"","lat":48.85638889,"lon":2.303055556,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:El_Camino_Real_-_Eastern_Branch,_1500s\" title=\"ASCE-Landmark:El Camino Real - Eastern Branch, 1500s\"\u003EEl Camino Real - Eastern Branch, 1500s\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ERunning from Mexico to Louisiana, the El Camino Real-Eastern Branch was a major Spanish pioneer transportation artery that provided support, defense and political stability for early colonists.","title":"El Camino Real - Eastern Branch, 1500s","link":"","lat":31.743056,"lon":-93.095,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:El_Camino_Real_-_The_Royal_Road,_1500s\" title=\"ASCE-Landmark:El Camino Real - The Royal Road, 1500s\"\u003EEl Camino Real - The Royal Road, 1500s\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe El Camino Real-Royal Road, a 1,500-mile route, connected Santa Fe and the rest of New Mexico with Mexico City during Spanish Colonial times","title":"El Camino Real - The Royal Road, 1500s","link":"","lat":22.60805556,"lon":-102.3791667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Electro-Motive_FT_Freight-Service_Diesel-Electric_Locomotive\" title=\"ASME-Landmark:Electro-Motive FT Freight-Service Diesel-Electric Locomotive\"\u003EElectro-Motive FT Freight-Service Diesel-Electric Locomotive\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe lead unit of the four-unit EMD-103 dem\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The lead unit of the four-unit EMD-103 demonstrator locomotive became the prototype of the first mass-produced diesel-electric locomotives used for freight service in the United States. They rapidly replaced the steam locomotive. Called \u0026quot;the diesel that did it\u0026quot; in a February 1960 edition of Trains magazine, it was a revolutionary step for the rail industry.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe lead unit of the four-unit EMD-103 demonstrator locomotive became the prototype of the first mass-produced diesel-electric locomotives used for freight service in the United States. They rapidly replaced the steam locomotive. Called \"the diesel that did it\" in a February 1960 edition of Trains magazine, it was a revolutionary step for the rail industry.\u003C/span\u003E\u003C/span\u003E revolutionary step for the rail industry.","title":"Electro-Motive FT Freight-Service Diesel-Electric Locomotive","link":"","lat":38.572742,"lon":-90.463803,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Elephant_Butte_Dam,_1916\" title=\"ASCE-Landmark:Elephant Butte Dam, 1916\"\u003EElephant Butte Dam, 1916\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Elephant Butte Dam created the largest reservoir in the world at that time and was the first civil engineering water project associated with the international allocation of water.","title":"Elephant Butte Dam, 1916","link":"","lat":33.15396883,"lon":-107.192113,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Ellicott_Stone,_1799\" title=\"ASCE-Landmark:Ellicott Stone, 1799\"\u003EEllicott Stone, 1799\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAfter the United States was formed, the go\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"After the United States was formed, the government commissioned Andrew Ellicott to establish an International Boundary at the 31st parallel between the new Republic and Spanish West Florida. This \u201cstone\u201d is the key extant monument from the historic survey.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EAfter the United States was formed, the government commissioned Andrew Ellicott to establish an International Boundary at the 31st parallel between the new Republic and Spanish West Florida. This \u201cstone\u201d is the key extant monument from the historic survey.\u003C/span\u003E\u003C/span\u003E extant monument from the historic survey.","title":"Ellicott Stone, 1799","link":"","lat":30.99780833,"lon":-88.02251667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Embudo,_New_Mexico_Stream_Guaging_station,_1888\" title=\"ASCE-Landmark:Embudo, New Mexico Stream Guaging station, 1888\"\u003EEmbudo, New Mexico Stream Guaging station, 1888\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe stream gauging system at Embudo, New Mexico, the first of its kind undertaken, led to the development of techniques that have been used extensively to collect essential data for water resources projects, land use, and urban planning.","title":"Embudo, New Mexico Stream Guaging station, 1888","link":"","lat":36.21305556,"lon":-105.925,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Erie_Canal,_1825\" title=\"ASCE-Landmark:Erie Canal, 1825\"\u003EErie Canal, 1825\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn its day, the Erie Canal was the world\u2019s longest canal and America\u2019s greatest engineering feat.","title":"Erie Canal, 1825","link":"","lat":42.939625,"lon":-74.28628333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Evinrude_Outboard_Motor\" title=\"ASME-Landmark:Evinrude Outboard Motor\"\u003EEvinrude Outboard Motor\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe outboard motor designed and built by O\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The outboard motor designed and built by Ole Evinrude (1877-1934) at the Evinrude Motor Company in Milwaukee, Wisconsin, was quickly accepted by the boating public of the United States. His wife, Bess Evinrude, called the prototype a \u0026quot;coffee grinder,\u0026quot; but it moved a boat through water better than the motors available in 1907, including foot-powered paddlewheels, gigantic steam powered motors, electric outboards pattered by storage batteries, heavy four-cycle engines, and other bulky and/or unreliable sources of power.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe outboard motor designed and built by Ole Evinrude (1877-1934) at the Evinrude Motor Company in Milwaukee, Wisconsin, was quickly accepted by the boating public of the United States. His wife, Bess Evinrude, called the prototype a \"coffee grinder,\" but it moved a boat through water better than the motors available in 1907, including foot-powered paddlewheels, gigantic steam powered motors, electric outboards pattered by storage batteries, heavy four-cycle engines, and other bulky and/or unreliable sources of power.\u003C/span\u003E\u003C/span\u003E bulky and/or unreliable sources of power.","title":"Evinrude Outboard Motor","link":"","lat":43.127915,"lon":-87.993796,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Experimental_Breeder_Reactor_I\" title=\"ASME-Landmark:Experimental Breeder Reactor I\"\u003EExperimental Breeder Reactor I\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EDuring World War II, scientists and engine\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"During World War II, scientists and engineers worked feverishly to achieve a controlled nuclear chain reaction as a step toward developing America\u0026#039;s first nuclear weapon. After the war, the newly established Atomic Energy Commission assigned some of the nation\u0026#039;s nuclear skills and resources to developing peaceful uses of the atom\u2014so the first prototype power reactor built would attempt to prove the theory of fuel breeding.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EDuring World War II, scientists and engineers worked feverishly to achieve a controlled nuclear chain reaction as a step toward developing America's first nuclear weapon. After the war, the newly established Atomic Energy Commission assigned some of the nation's nuclear skills and resources to developing peaceful uses of the atom\u2014so the first prototype power reactor built would attempt to prove the theory of fuel breeding.\u003C/span\u003E\u003C/span\u003Eempt to prove the theory of fuel breeding.","title":"Experimental Breeder Reactor I","link":"","lat":43.598407,"lon":-112.858823,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:FMC_Citrus_Juice_Extractor\" title=\"ASME-Landmark:FMC Citrus Juice Extractor\"\u003EFMC Citrus Juice Extractor\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAfter producing military vehicles during W\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"After producing military vehicles during World War II, FMC returned to the fruit industry in 1947 to address an entirely different type of problem: How to quickly and effectively extract juice from an orange. The FMC Citrus Juice Extractor features a twenty-four head rotary action that simultaneously extracts juice from the interior of the fruit and citrus oil from the peel surface. This extractor revolutionized the juice industry.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EAfter producing military vehicles during World War II, FMC returned to the fruit industry in 1947 to address an entirely different type of problem: How to quickly and effectively extract juice from an orange. The FMC Citrus Juice Extractor features a twenty-four head rotary action that simultaneously extracts juice from the interior of the fruit and citrus oil from the peel surface. This extractor revolutionized the juice industry.\u003C/span\u003E\u003C/span\u003Etractor revolutionized the juice industry.","title":"FMC Citrus Juice Extractor","link":"","lat":28.046846,"lon":-81.919372,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Fairbanks-Morse_Y-VA_Engine_Diesel\" title=\"ASME-Landmark:Fairbanks-Morse Y-VA Engine Diesel\"\u003EFairbanks-Morse Y-VA Engine Diesel\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe 1924 75 horsepower type Y, style VA en\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The 1924 75 horsepower type Y, style VA engine at the Useppa Island Historical Society, which was used to power electrical generating machinery, is an outstanding example of early high-compression, cold-start, full-diesel engines developed in the United States. It is a descendant of the first successful diesel engine produced in 1897 by German mechanical engineer Rudolf Diesel.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe 1924 75 horsepower type Y, style VA engine at the Useppa Island Historical Society, which was used to power electrical generating machinery, is an outstanding example of early high-compression, cold-start, full-diesel engines developed in the United States. It is a descendant of the first successful diesel engine produced in 1897 by German mechanical engineer Rudolf Diesel.\u003C/span\u003E\u003C/span\u003E German mechanical engineer Rudolf Diesel.","title":"Fairbanks-Morse Y-VA Engine Diesel","link":"","lat":26.705541,"lon":-82.159035,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Fairbanks_Exploration_Company_Gold_Dredge_No._8\" title=\"ASME-Landmark:Fairbanks Exploration Company Gold Dredge No. 8\"\u003EFairbanks Exploration Company Gold Dredge No. 8\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ELadder dredges came to Alaska in the early\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Ladder dredges came to Alaska in the early 1920s, after the U.S. Smelting, Refining, and Mining Company (USSR\u0026amp;M) brought water to the area via the 90-mile Davidson Ditch. Using water to warm the ground, the ground was thawed at an average 9 inches a day. The gravel was scooped up in buckets, carried up the ladder, and deposited at the top of the dredge for sorting. The gold was trapped on the riffles of the gold tables\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003ELadder dredges came to Alaska in the early 1920s, after the U.S. Smelting, Refining, and Mining Company (USSR\u0026M) brought water to the area via the 90-mile Davidson Ditch. Using water to warm the ground, the ground was thawed at an average 9 inches a day. The gravel was scooped up in buckets, carried up the ladder, and deposited at the top of the dredge for sorting. The gold was trapped on the riffles of the gold tables\u003C/span\u003E\u003C/span\u003E was trapped on the riffles of the gold tables","title":"Fairbanks Exploration Company Gold Dredge No. 8","link":"","lat":64.937623,"lon":-147.654976,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Fairmont_Water_Works\" title=\"ASME-Landmark:Fairmont Water Works\"\u003EFairmont Water Works\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAt a time when steam power was finding its\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"At a time when steam power was finding its first uses in America, Philadelphia opened two steam pumping stations, January 1801, to lift water from the Schuylkill River and distribute it through the city\u0026#039;s wooden pipes and mains. Maintenance of this system was time-consuming, expensive, and ineffective, and the steam engines needed vast amounts of coal to run and would frequently break down. They were also considered a fire hazard and a nuisance to the city. It was clear that, by 1811, a new system was needed, and a new water power works was begun on the river near Morris Hill. The Fairmount Water Works opened September 7, 1815, as the first large-scale application of steam pumping to water service in the country.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EAt a time when steam power was finding its first uses in America, Philadelphia opened two steam pumping stations, January 1801, to lift water from the Schuylkill River and distribute it through the city's wooden pipes and mains. Maintenance of this system was time-consuming, expensive, and ineffective, and the steam engines needed vast amounts of coal to run and would frequently break down. They were also considered a fire hazard and a nuisance to the city. It was clear that, by 1811, a new system was needed, and a new water power works was begun on the river near Morris Hill. The Fairmount Water Works opened September 7, 1815, as the first large-scale application of steam pumping to water service in the country.\u003C/span\u003E\u003C/span\u003Em pumping to water service in the country.","title":"Fairmont Water Works","link":"","lat":39.965855,"lon":-75.183501,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Ferries_%26_Cliff_House_Railway\" title=\"ASME-Landmark:Ferries \u0026amp; Cliff House Railway\"\u003EFerries \u0026amp; Cliff House Railway\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe iconic cable car system, which opened in 1887, contained wheels and pulleys moved by a cable running below the street","title":"Ferries \u0026 Cliff House Railway","link":"","lat":37.794781,"lon":-122.411715,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Ferries_%26_Cliffhouse_Cable_Railway_Power_House\" title=\"ASME-Landmark:Ferries \u0026amp; Cliffhouse Cable Railway Power House\"\u003EFerries \u0026amp; Cliffhouse Cable Railway Power House\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Ferries \u0026amp; Cliff House Cable Railwa\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Ferries \u0026amp; Cliff House Cable Railway opened in 1887 as an amalgamation of the Powell Street Railway and the Park and Cliff House Railway. Its powerhouse at Washington and Mason used a complicated system of conduits and drives to operate both lines and was one of the most complicated cable-car systems to run from a single station. Designed and built by civil engineer Howard C. Holmes (1852-1921), the system was under construction for two years prior to its opening.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Ferries \u0026 Cliff House Cable Railway opened in 1887 as an amalgamation of the Powell Street Railway and the Park and Cliff House Railway. Its powerhouse at Washington and Mason used a complicated system of conduits and drives to operate both lines and was one of the most complicated cable-car systems to run from a single station. Designed and built by civil engineer Howard C. Holmes (1852-1921), the system was under construction for two years prior to its opening.\u003C/span\u003E\u003C/span\u003Enstruction for two years prior to its opening.","title":"Ferries \u0026 Cliffhouse Cable Railway Power House","link":"","lat":37.794794,"lon":-122.411774,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Fink_Deck_Truss_Bridge,_1870\" title=\"ASCE-Landmark:Fink Deck Truss Bridge, 1870\"\u003EFink Deck Truss Bridge, 1870\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Fink Deck Truss Bridge is a unique survivor of a truss system widely used between 1854 and 1875. This all cast and wrought iron system was patented by Albert Fink in 1854.","title":"Fink Deck Truss Bridge, 1870","link":"","lat":37.403672,"lon":-79.170205,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Fink_Through_Truss_Bridge,_1858\" title=\"ASCE-Landmark:Fink Through Truss Bridge, 1858\"\u003EFink Through Truss Bridge, 1858\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAlthough destroyed in 1978 by a car collision, at the time of its dedication the Fink Through Truss Bridge was possibly the oldest metal truss bridge in the nation.","title":"Fink Through Truss Bridge, 1858","link":"","lat":40.60388889,"lon":-74.90222222,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:First_Concrete_Pavement,_1893\" title=\"ASCE-Landmark:First Concrete Pavement, 1893\"\u003EFirst Concrete Pavement, 1893\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe first engineering use of Portland cement concrete street pavement in public road construction represented a milestone for civil engineering.","title":"First Concrete Pavement, 1893","link":"","lat":40.36055556,"lon":-83.75916667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:First_Hot_Isostatic_Processing_Vessels\" title=\"ASME-Landmark:First Hot Isostatic Processing Vessels\"\u003EFirst Hot Isostatic Processing Vessels\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn 1955, the Atomic Energy Commission issu\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In 1955, the Atomic Energy Commission issued a challenge to researchers at Battelle Memorial Institute\u0026#039;s Columbus Laboratories in Columbus, Ohio. The challenge was simple: develop a process to bond components of small Zircaloy-clad pin-type nuclear fuel elements while maintaining strict dimensional control.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn 1955, the Atomic Energy Commission issued a challenge to researchers at Battelle Memorial Institute's Columbus Laboratories in Columbus, Ohio. The challenge was simple: develop a process to bond components of small Zircaloy-clad pin-type nuclear fuel elements while maintaining strict dimensional control.\u003C/span\u003E\u003C/span\u003Ele maintaining strict dimensional control.","title":"First Hot Isostatic Processing Vessels","link":"","lat":39.989679,"lon":-83.020723,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:First_New_York_Subway,_1904\" title=\"ASCE-Landmark:First New York Subway, 1904\"\u003EFirst New York Subway, 1904\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ENew York City built the first major rapid transit subway system in the United States.","title":"First New York Subway, 1904","link":"","lat":40.71277778,"lon":-74.00583333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:First_Owens_River-Los_Angeles_Aqueduct,_1907-1913\" title=\"ASCE-Landmark:First Owens River-Los Angeles Aqueduct, 1907-1913\"\u003EFirst Owens River-Los Angeles Aqueduct, 1907-1913\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EUnprecedented in size and scope at the time of its completion, the First Owens River-L.A. Aqueduct system was the prototype for the extensive water supply systems needed to support the major urban complexes of today.","title":"First Owens River-Los Angeles Aqueduct, 1907-1913","link":"","lat":34.31286,"lon":-118.492988,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:First_Ram-Type_Blowout_Preventer_(BOP)\" title=\"ASME-Landmark:First Ram-Type Blowout Preventer (BOP)\"\u003EFirst Ram-Type Blowout Preventer (BOP)\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe ram-type blowout preventer (BOP) allow\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The ram-type blowout preventer (BOP) allowed the manual closing of a well, saved lives, and prevented surface oil accumulation at drilling sites, quickly becoming an industry standard. In the early days of oilfield operations, there was no way to control the underground pressures encountered during drilling. When an oil or gas reservoir was tapped, wells were allowed to \u0026quot;blow out\u0026quot; until pressure was reduced sufficiently to allow capping. Many inventors attempted to develop a device to control such blowouts. In 1922, oil wildcatter James Smither Abercrombie (1891-1975) and machinist Harry S. Cameron (1872-1928) developed a successful ram-type BOP by using a small number of simple, rugged parts. It was installed on the wellhead, and the rams were closed to seal off the well, allowing full control of the pressure during drilling and production. The original design could withstand pressures up to 3,000 psi, an industry record in 1922. (In comparison, today\u0026#039;s BOP can withstand 15,000 psi, working in water depth up to 10,000 feet.)\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe ram-type blowout preventer (BOP) allowed the manual closing of a well, saved lives, and prevented surface oil accumulation at drilling sites, quickly becoming an industry standard. In the early days of oilfield operations, there was no way to control the underground pressures encountered during drilling. When an oil or gas reservoir was tapped, wells were allowed to \"blow out\" until pressure was reduced sufficiently to allow capping. Many inventors attempted to develop a device to control such blowouts. In 1922, oil wildcatter James Smither Abercrombie (1891-1975) and machinist Harry S. Cameron (1872-1928) developed a successful ram-type BOP by using a small number of simple, rugged parts. It was installed on the wellhead, and the rams were closed to seal off the well, allowing full control of the pressure during drilling and production. The original design could withstand pressures up to 3,000 psi, an industry record in 1922. (In comparison, today's BOP can withstand 15,000 psi, working in water depth up to 10,000 feet.)\u003C/span\u003E\u003C/span\u003Eworking in water depth up to 10,000 feet.)","title":"First Ram-Type Blowout Preventer (BOP)","link":"","lat":29.83498,"lon":-95.562748,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Firth_of_Forth_Railway_Bridge,_1890\" title=\"ASCE-Landmark:Firth of Forth Railway Bridge, 1890\"\u003EFirth of Forth Railway Bridge, 1890\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EFor 27 years the Firth of Forth Railway Bridge held the world\u2019s record for span (521 meters). The overall length of the bridge is 2,529 meters.","title":"Firth of Forth Railway Bridge, 1890","link":"","lat":56,"lon":-3.383333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Five_Stone_Arch_Bridges,_1830_-_1860\" title=\"ASCE-Landmark:Five Stone Arch Bridges, 1830 - 1860\"\u003EFive Stone Arch Bridges, 1830 - 1860\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe five New Hampshire stone arch bridges constitute the largest extant cluster of dry-laid stone arch bridges within the U.S.","title":"Five Stone Arch Bridges, 1830 - 1860","link":"","lat":43.11472222,"lon":-71.895,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Flight_of_Five_Locks,_1915\" title=\"ASCE-Landmark:Flight of Five Locks, 1915\"\u003EFlight of Five Locks, 1915\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen opened, the Flight of Five Locks represented the greatest series of high lift locks in the shortest distance of any canal in the United State.","title":"Flight of Five Locks, 1915","link":"","lat":43.31666667,"lon":-74.13333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Folsom_Hydroelectric_Power_System,_1895\" title=\"ASCE-Landmark:Folsom Hydroelectric Power System, 1895\"\u003EFolsom Hydroelectric Power System, 1895\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Folsom Hydroelectric Power System was \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Folsom Hydroelectric Power System was the second system in the U.S. to provide long\u2013distance, high voltage, three-phase transmission for significant municipal and industrial multi-purpose power use. (The first was Mill Creek No. 1, near Redlands, CA, which was completed two years earlier, but the original generators no longer exist)\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Folsom Hydroelectric Power System was the second system in the U.S. to provide long\u2013distance, high voltage, three-phase transmission for significant municipal and industrial multi-purpose power use. (The first was Mill Creek No. 1, near Redlands, CA, which was completed two years earlier, but the original generators no longer exist)\u003C/span\u003E\u003C/span\u003Et the original generators no longer exist)","title":"Folsom Hydroelectric Power System, 1895","link":"","lat":38.68055556,"lon":-121.1755556,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Folsom_Power_House\" title=\"ASME-Landmark:Folsom Power House\"\u003EFolsom Power House\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe historic Folsom Power House #l marks one of the first successful uses of hydroelectric power in the world and the first successful transmission of power long distance (twenty-two miles to Sacramento).","title":"Folsom Power House","link":"","lat":38.712373,"lon":-121.174627,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Fort_Peck_Dam,_1940\" title=\"ASCE-Landmark:Fort Peck Dam, 1940\"\u003EFort Peck Dam, 1940\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Fort Peck Dam was more than five times larger than the largest dam in the world at the time, with its crest extending four miles.","title":"Fort Peck Dam, 1940","link":"","lat":48,"lon":-106.4333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Forth_%26_Clyde_Canal,_1768-1790\" title=\"ASCE-Landmark:Forth \u0026amp; Clyde Canal, 1768-1790\"\u003EForth \u0026amp; Clyde Canal, 1768-1790\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Forth \u0026amp; Clyde Canal is recognized as the world\u2019s first civil engineering designed and constructed public-works project, a sea-to-sea ship canal constructed with no natural waterways included on its route.","title":"Forth \u0026 Clyde Canal, 1768-1790","link":"","lat":55.92972222,"lon":-4.482222222,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Frankford_Avenue_Bridge,_1697\" title=\"ASCE-Landmark:Frankford Avenue Bridge, 1697\"\u003EFrankford Avenue Bridge, 1697\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Frankford Avenue Bridge is the first known stone arch built in the United States and probably the oldest bridge in the country.","title":"Frankford Avenue Bridge, 1697","link":"","lat":40.043526,"lon":-75.020553,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Fresno_Scraper\" title=\"ASME-Landmark:Fresno Scraper\"\u003EFresno Scraper\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Fresno scraper\u2014which could scrape and \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Fresno scraper\u2014which could scrape and move a load of soil and then discharge it at a controlled depth\u2014established the basis for the modern earthmoving scraper in 1883. It replaced the hand shoveling of earth into horse carts, thereby quadrupling the productivity of manual labor.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Fresno scraper\u2014which could scrape and move a load of soil and then discharge it at a controlled depth\u2014established the basis for the modern earthmoving scraper in 1883. It replaced the hand shoveling of earth into horse carts, thereby quadrupling the productivity of manual labor.\u003C/span\u003E\u003C/span\u003Edrupling the productivity of manual labor.","title":"Fresno Scraper","link":"","lat":38.080301,"lon":-121.272333,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Fritz_Engineering_Laboratory,_1910\" title=\"ASCE-Landmark:Fritz Engineering Laboratory, 1910\"\u003EFritz Engineering Laboratory, 1910\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen constructed, the Fritz Engineering Laboratory at Lehigh University was the largest and best-equipped university structural laboratory in the United States, serving as a prototype for subsequent university and research laboratories.","title":"Fritz Engineering Laboratory, 1910","link":"","lat":40.6,"lon":-75.38333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Fusion-Welded_Test_Boiler_Drum\" title=\"ASME-Landmark:Fusion-Welded Test Boiler Drum\"\u003EFusion-Welded Test Boiler Drum\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EPapers published by A. J. Moses, presented\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Papers published by A. J. Moses, presented to the National Board of Boiler and Pressure Vessel Inspectors in June 1930, contributed to a new ASME Code for the use of welding for boiler drum construction, which was adopted in June 1931. The test drum had surpassed design calculations proposed for the Code, which estimated the safe working pressure to be 517 pounds per square inch gage. The drum had been tested to destruction on May 2, 1930, deforming under hydraulic pressures after reaching 3,250 pounds per square inch gage. Combustion Engineering Inc. shipped a drum, believed to be the first unit built to ASME Code weld rules, to Fisher Body Division of General Motors on June 22, 1931.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EPapers published by A. J. Moses, presented to the National Board of Boiler and Pressure Vessel Inspectors in June 1930, contributed to a new ASME Code for the use of welding for boiler drum construction, which was adopted in June 1931. The test drum had surpassed design calculations proposed for the Code, which estimated the safe working pressure to be 517 pounds per square inch gage. The drum had been tested to destruction on May 2, 1930, deforming under hydraulic pressures after reaching 3,250 pounds per square inch gage. Combustion Engineering Inc. shipped a drum, believed to be the first unit built to ASME Code weld rules, to Fisher Body Division of General Motors on June 22, 1931.\u003C/span\u003E\u003C/span\u003Evision of General Motors on June 22, 1931.","title":"Fusion-Welded Test Boiler Drum","link":"","lat":35.040816,"lon":-85.319843,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:GE%27s_Ultra_High_Pressure_Apparatus_for_the_Production_of_Diamonds\" title=\"ASME-Landmark:GE\u0026#039;s Ultra High Pressure Apparatus for the Production of Diamonds\"\u003EGE's Ultra High Pressure Apparatus for the Production of Diamonds\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn 1941, General Electric (GE) made an agr\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In 1941, General Electric (GE) made an agreement with Norton and Carborundum to develop diamond synthesis. And while these companies were able to heat carbon to about 3,000 C under a pressure of 3.5 gigapascals (510,000 psi) for a few seconds, World War II soon interrupted the project. But it was resumed at 1951 at GE\u0026#039;s Schenectady laboratories with a high-pressure diamond group consisting of Francis P. Bundy, H.M. Strong, and Tracy Hall, among others.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn 1941, General Electric (GE) made an agreement with Norton and Carborundum to develop diamond synthesis. And while these companies were able to heat carbon to about 3,000 C under a pressure of 3.5 gigapascals (510,000 psi) for a few seconds, World War II soon interrupted the project. But it was resumed at 1951 at GE's Schenectady laboratories with a high-pressure diamond group consisting of Francis P. Bundy, H.M. Strong, and Tracy Hall, among others.\u003C/span\u003E\u003C/span\u003EH.M. Strong, and Tracy Hall, among others.","title":"GE's Ultra High Pressure Apparatus for the Production of Diamonds","link":"","lat":42.811838,"lon":-73.93376,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Galveston_Seawall_and_Grade_Raising_Project,_1904_%26_1911\" title=\"ASCE-Landmark:Galveston Seawall and Grade Raising Project, 1904 \u0026amp; 1911\"\u003EGalveston Seawall and Grade Raising Project, 1904 \u0026amp; 1911\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EUsing pioneering materials and methods, civil engineers designed and built a concrete seawall on Galveston Island and raised the island\u2019s elevation to prevent future natural disasters such as the 1900 hurricane in which 6,000 people were lost.","title":"Galveston Seawall and Grade Raising Project, 1904 \u0026 1911","link":"","lat":29.28333333,"lon":-94.78333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Garfield_Thomas_Water_Tunnel\" title=\"ASME-Landmark:Garfield Thomas Water Tunnel\"\u003EGarfield Thomas Water Tunnel\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Garfield Thomas Water Tunnel is a uniq\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Garfield Thomas Water Tunnel is a unique experimental facility for hydrodynamic research and testing. The 48-inch (1.2-meter) diameter water tunnel enables the research staff to conduct basic and applied investigations in the fields of cavitation, hydroacoustics, turbulence, transition, hydrodynamic drag, and hydraulic and subsonic turbomachinery. Instrumentation and testing methods have been developed to study noise, vibration, vehicle dynamics, and the interaction between the propulsor and vehicle body.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Garfield Thomas Water Tunnel is a unique experimental facility for hydrodynamic research and testing. The 48-inch (1.2-meter) diameter water tunnel enables the research staff to conduct basic and applied investigations in the fields of cavitation, hydroacoustics, turbulence, transition, hydrodynamic drag, and hydraulic and subsonic turbomachinery. Instrumentation and testing methods have been developed to study noise, vibration, vehicle dynamics, and the interaction between the propulsor and vehicle body.\u003C/span\u003E\u003C/span\u003Eon between the propulsor and vehicle body.","title":"Garfield Thomas Water Tunnel","link":"","lat":40.792652,"lon":-77.865827,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Geared_Locomotives_of_Heisler,_Shay,_Climax\" title=\"ASME-Landmark:Geared Locomotives of Heisler, Shay, Climax\"\u003EGeared Locomotives of Heisler, Shay, Climax\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ERoaring Camp Railroad\u2014a narrow gauge touri\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Roaring Camp Railroad\u2014a narrow gauge tourist railroad that runs up Bear Mountain from Felton, California\u2014is home to three of the oldest and most authentically preserved narrow gauge steam engines still providing regular passenger service in the United States.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003ERoaring Camp Railroad\u2014a narrow gauge tourist railroad that runs up Bear Mountain from Felton, California\u2014is home to three of the oldest and most authentically preserved narrow gauge steam engines still providing regular passenger service in the United States.\u003C/span\u003E\u003C/span\u003Ear passenger service in the United States.","title":"Geared Locomotives of Heisler, Shay, Climax","link":"","lat":37.040434,"lon":-122.062517,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:George_Eastman_House:_Technology_Collection\" title=\"ASME-Landmark:George Eastman House: Technology Collection\"\u003EGeorge Eastman House: Technology Collection\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EFounded in 1947 as an independent nonprofi\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Founded in 1947 as an independent nonprofit institution, George Eastman House is the world\u0026#039;s oldest photography museum and one of the leading international film archives. The museum holds unparalleled collections\u2014encompassing several million objects\u2014in the fields of photography, cinema, photographic technology, and photographically illustrated books, and it is a leader in film preservation and photograph conservation. Eastman House is located in Rochester, New York, on George Eastman\u0026#039;s National Historic Landmark estate.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EFounded in 1947 as an independent nonprofit institution, George Eastman House is the world's oldest photography museum and one of the leading international film archives. The museum holds unparalleled collections\u2014encompassing several million objects\u2014in the fields of photography, cinema, photographic technology, and photographically illustrated books, and it is a leader in film preservation and photograph conservation. Eastman House is located in Rochester, New York, on George Eastman's National Historic Landmark estate.\u003C/span\u003E\u003C/span\u003Estman's National Historic Landmark estate.","title":"George Eastman House: Technology Collection","link":"","lat":43.152679,"lon":-77.579933,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:George_W._Woodruff_School_of_Mechanical_Engineering\" title=\"ASME-Landmark:George W. Woodruff School of Mechanical Engineering\"\u003EGeorge W. Woodruff School of Mechanical Engineering\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBetween its opening in 1888 and the mid-1920s, Georgia Tech took a leading role in transforming mechanical engineering education from a shop-based, vocational program to a professional one built on rigorous academic and analytical methods.","title":"George W. Woodruff School of Mechanical Engineering","link":"","lat":33.777546,"lon":-84.401327,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:George_Washington_Bridge,_1931\" title=\"ASCE-Landmark:George Washington Bridge, 1931\"\u003EGeorge Washington Bridge, 1931\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe George Washington Bridge, a 3,500-foot center span suspension bridge, was virtually double the span of its largest predecessor.","title":"George Washington Bridge, 1931","link":"","lat":40.85,"lon":-73.95,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Georgetown_Steam_Plant\" title=\"ASME-Landmark:Georgetown Steam Plant\"\u003EGeorgetown Steam Plant\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Georgetown Steam Plant was built in th\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Georgetown Steam Plant was built in the early 1900s when Seattle\u0026#039;s inexpensive hydroelectric power attracted manufacturers. Much of the power produced at this plant operated Seattle\u0026#039;s streetcars. It marks the beginning of the end of the reciprocating steam engine\u0026#039;s domination in the growing field of electrical energy generation for lighting and power.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Georgetown Steam Plant was built in the early 1900s when Seattle's inexpensive hydroelectric power attracted manufacturers. Much of the power produced at this plant operated Seattle's streetcars. It marks the beginning of the end of the reciprocating steam engine's domination in the growing field of electrical energy generation for lighting and power.\u003C/span\u003E\u003C/span\u003E energy generation for lighting and power.","title":"Georgetown Steam Plant","link":"","lat":47.54283,"lon":-122.316302,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Geysers_Unit_1\" title=\"ASME-Landmark:Geysers Unit 1\"\u003EGeysers Unit 1\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe largest geothermal field in the world,\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The largest geothermal field in the world, known as The Geysers, is located in the Mayacamas Mountains, approximately 72 miles (116 km) north of San Francisco. Geysers Unit 1, the first commercial geothermal electric generating station in North America, was a rebuilt kilowatt-size General Electric generator installed by the Pacific Gas and Electric Company engineers in 1960 \u0026amp;#91;1] \u0026amp;#91;2]See ASME website for more information\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe largest geothermal field in the world, known as The Geysers, is located in the Mayacamas Mountains, approximately 72 miles (116 km) north of San Francisco. Geysers Unit 1, the first commercial geothermal electric generating station in North America, was a rebuilt kilowatt-size General Electric generator installed by the Pacific Gas and Electric Company engineers in 1960 [https://www.asme.org/about-asme/who-we-are/engineering-history/landmarks/109-geysers-unit-1 ] [https://en.wikipedia.org/wiki/The_Geysers]See ASME website for more information\u003C/span\u003E\u003C/span\u003Esers]See ASME website for more information","title":"Geysers Unit 1","link":"","lat":38.790556,"lon":-122.755833,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Giessbach_Funicular\" title=\"ASME-Landmark:Giessbach Funicular\"\u003EGiessbach Funicular\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EDesigned by Carl Roman Abt and built in 18\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Designed by Carl Roman Abt and built in 1879, the Giessbach Funicular was the first single-track cable car for use on steep inclines, employing a short passing track at the half-way point that allowed the two cars to pass each other. The passing track used turnouts with no moving parts\u2014also known as \u0026quot;Abt switches\u0026quot;\u2014for safe and reliable operation. Wheels with outside flanges on one car and inside flanges on the other guided the cars through the turnout and around one another. The mid-way turnout allowed for the system\u0026#039;s single-track construction, which reduced the size of the track structure and made the Giessbach Funicular more economical than earlier funiculars that operated on two tracks. The chassis for the Abt passing loop were installed in 1891 and are still in use today.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EDesigned by Carl Roman Abt and built in 1879, the Giessbach Funicular was the first single-track cable car for use on steep inclines, employing a short passing track at the half-way point that allowed the two cars to pass each other. The passing track used turnouts with no moving parts\u2014also known as \"Abt switches\"\u2014for safe and reliable operation. Wheels with outside flanges on one car and inside flanges on the other guided the cars through the turnout and around one another. The mid-way turnout allowed for the system's single-track construction, which reduced the size of the track structure and made the Giessbach Funicular more economical than earlier funiculars that operated on two tracks. The chassis for the Abt passing loop were installed in 1891 and are still in use today.\u003C/span\u003E\u003C/span\u003Etalled in 1891 and are still in use today.","title":"Giessbach Funicular","link":"","lat":46.735052,"lon":8.02328,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Ginaca_Pineapple_Processing_Machine\" title=\"ASME-Landmark:Ginaca Pineapple Processing Machine\"\u003EGinaca Pineapple Processing Machine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ECommercial pineapple production began in H\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Commercial pineapple production began in Hawaii about 1890. Fruit was hand-peeled and sliced to match can sizes for export. In 1911, James D. Dole hired Henry G. Ginaca to design a machine to automate the process. As fruit dropped through the Ginaca machine, a cylinder was cut to the appropriate diameter, trimmed top and bottom, and cored. This machine more than tripled production, making pineapple Hawaii\u0026#039;s second largest crop. In the faster Ginaca machines now used around the world, the principle remains unchanged.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003ECommercial pineapple production began in Hawaii about 1890. Fruit was hand-peeled and sliced to match can sizes for export. In 1911, James D. Dole hired Henry G. Ginaca to design a machine to automate the process. As fruit dropped through the Ginaca machine, a cylinder was cut to the appropriate diameter, trimmed top and bottom, and cored. This machine more than tripled production, making pineapple Hawaii's second largest crop. In the faster Ginaca machines now used around the world, the principle remains unchanged.\u003C/span\u003E\u003C/span\u003Ehe world, the principle remains unchanged.","title":"Ginaca Pineapple Processing Machine","link":"","lat":21.340828,"lon":-157.900684,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Going_-To-The-Sun_Road,_1932\" title=\"ASCE-Landmark:Going -To-The-Sun Road, 1932\"\u003EGoing -To-The-Sun Road, 1932\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen completed, the Going-to-the-Sun Road was the first major trans-mountain scenic highway in the United States.","title":"Going -To-The-Sun Road, 1932","link":"","lat":48.695,"lon":-113.8169,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Golden_Gate_Bridge,_1937\" title=\"ASCE-Landmark:Golden Gate Bridge, 1937\"\u003EGolden Gate Bridge, 1937\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Golden Gate Bridge, a world-renowned bridge, was the longest single span (4,200 feet) in the world at the time of construction.","title":"Golden Gate Bridge, 1937","link":"","lat":37.78333333,"lon":-122.4666667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Goldfields_Water_Supply,_1895-1903\" title=\"ASCE-Landmark:Goldfields Water Supply, 1895-1903\"\u003EGoldfields Water Supply, 1895-1903\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Goldfields Water Supply scheme was the world\u2019s longest fresh water pipeline when built and the first to be fabricated from steel.","title":"Goldfields Water Supply, 1895-1903","link":"","lat":-31.95666667,"lon":116.165,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Goodyear_Airdock,_1929\" title=\"ASCE-Landmark:Goodyear Airdock, 1929\"\u003EGoodyear Airdock, 1929\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Goodyear Airdock, a unique structure with a volume of 55,000,000 cubic feet, was at the time the largest building in the world in terms of uninterrupted space.","title":"Goodyear Airdock, 1929","link":"","lat":41.03194444,"lon":-81.47083333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Gota_Canal,_1810-1832\" title=\"ASCE-Landmark:Gota Canal, 1810-1832\"\u003EGota Canal, 1810-1832\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Gota Canal, a transnational canal, has 58 locks and 65 bridge spans along the 190 kilometer \u201cBlue Ribbon\u201d waterway.","title":"Gota Canal, 1810-1832","link":"","lat":58.49827,"lon":16.17332,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Grand_Central_Terminal,_1913\" title=\"ASCE-Landmark:Grand Central Terminal, 1913\"\u003EGrand Central Terminal, 1913\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EConstructed under challenging conditions w\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Constructed under challenging conditions with no interruption of existing train service, Grand Central Terminal was a triumph of innovative engineering in the design of urban transportation centers. Its novel, two-level station, made possible by electric traction, streamlined both train and passenger movement by separating long-haul and suburban traffic and employing an extensive system of pedestrian ramps throughout the facility.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EConstructed under challenging conditions with no interruption of existing train service, Grand Central Terminal was a triumph of innovative engineering in the design of urban transportation centers. Its novel, two-level station, made possible by electric traction, streamlined both train and passenger movement by separating long-haul and suburban traffic and employing an extensive system of pedestrian ramps throughout the facility.\u003C/span\u003E\u003C/span\u003E pedestrian ramps throughout the facility.","title":"Grand Central Terminal, 1913","link":"","lat":40.75277778,"lon":-73.97722222,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Grand_Coulee_Dam,_1941\" title=\"ASCE-Landmark:Grand Coulee Dam, 1941\"\u003EGrand Coulee Dam, 1941\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Grand Coulee Dam, a concrete gravity dam, is the largest concrete structure and hydroelectric facility in the United States.","title":"Grand Coulee Dam, 1941","link":"","lat":47.46666667,"lon":-119,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Granite_Railway,_1826\" title=\"ASCE-Landmark:Granite Railway, 1826\"\u003EGranite Railway, 1826\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Granite railway, a unique project that first demonstrated the engineering advantages of rail transport in America, introduced many technical features such as switches, the turntable and the double-truck railway car.","title":"Granite Railway, 1826","link":"","lat":42.24527778,"lon":-71.03722222,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Graue_Mill\" title=\"ASME-Landmark:Graue Mill\"\u003EGraue Mill\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EDesigned and built by Fred Graue, a German\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Designed and built by Fred Graue, a German immigrant, together with William Asche, the Old Graue Mill began operating around 1852 and served the village of Brush Hill (Hinsdale) until World War I. Its undershot waterwheel, wooden gearing system, belt power transmission, bucket elevators, and related bolters and sifters were representative of an ancient technology that began with Roman engineer Vitruvius.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EDesigned and built by Fred Graue, a German immigrant, together with William Asche, the Old Graue Mill began operating around 1852 and served the village of Brush Hill (Hinsdale) until World War I. Its undershot waterwheel, wooden gearing system, belt power transmission, bucket elevators, and related bolters and sifters were representative of an ancient technology that began with Roman engineer Vitruvius.\u003C/span\u003E\u003C/span\u003E that began with Roman engineer Vitruvius.","title":"Graue Mill","link":"","lat":41.819973,"lon":-87.927681,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Gravimetric_Coal_Feeder\" title=\"ASME-Landmark:Gravimetric Coal Feeder\"\u003EGravimetric Coal Feeder\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn the 1950s, Arthur J. Stock (1900-1986) \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In the 1950s, Arthur J. Stock (1900-1986) successfully combined the weighing and control of material flow into a single device, now known as the gravimetric feeder. The first installation was placed in continuous operation at Niagara Mohawk Power Corporation\u0026#039;s Dunkirk Station in 1957.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn the 1950s, Arthur J. Stock (1900-1986) successfully combined the weighing and control of material flow into a single device, now known as the gravimetric feeder. The first installation was placed in continuous operation at Niagara Mohawk Power Corporation's Dunkirk Station in 1957.\u003C/span\u003E\u003C/span\u003Ewer Corporation's Dunkirk Station in 1957.","title":"Gravimetric Coal Feeder","link":"","lat":41.419594,"lon":-81.3393,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Great_Falls_Raceway_%26_Power_System,_1792-1864\" title=\"ASCE-Landmark:Great Falls Raceway \u0026amp; Power System, 1792-1864\"\u003EGreat Falls Raceway \u0026amp; Power System, 1792-1864\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Great Falls Raceway \u0026amp; Power System represents the oldest American integrated waterpower, industrial development, and urban planning system.","title":"Great Falls Raceway \u0026 Power System, 1792-1864","link":"","lat":40.916189,"lon":-74.18159683,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Great_Falls_Raceway_and_Power_System\" title=\"ASME-Landmark:Great Falls Raceway and Power System\"\u003EGreat Falls Raceway and Power System\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe raceway and power system, constructed \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The raceway and power system, constructed from 1792 to 1864, was the first major water power system in the United States. The project, conceived by Alexander Hamilton in 1791 through his Society for the Establishment of Useful Manufactures (SUM) and designed by Peter Colt and Pierre Charles L\u0026#039;Enfant, engineer-planner of the Capitol, was designed to harness the Passaic River at Great Falls and create America\u0026#039;s first planned industrial city.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe raceway and power system, constructed from 1792 to 1864, was the first major water power system in the United States. The project, conceived by Alexander Hamilton in 1791 through his Society for the Establishment of Useful Manufactures (SUM) and designed by Peter Colt and Pierre Charles L'Enfant, engineer-planner of the Capitol, was designed to harness the Passaic River at Great Falls and create America's first planned industrial city.\u003C/span\u003E\u003C/span\u003Ee America's first planned industrial city.","title":"Great Falls Raceway and Power System","link":"","lat":40.914507,"lon":-74.17967,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Great_Northern_2313_%E2%80%93_Montana_Western_31_Gas-Electric_Rail_Motorcar\" title=\"ASME-Landmark:Great Northern 2313 \u2013 Montana Western 31 Gas-Electric Rail Motorcar\"\u003EGreat Northern 2313 \u2013 Montana Western 31 Gas-Electric Rail Motorcar\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EGreat Northern 2313, later Montana Western\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Great Northern 2313, later Montana Western 31, is the oldest surviving Electro-Motive Co. (EMC) gas-electric rail motorcar, which reduced operating costs by 50 percent over the steam-locomotive trains it replaced. This 32-ton car from 1925 features a Winton gasoline engine and General Electric generator and traction motors. The early EMC cars made the first major use of Hermann Lemp\u0026#039;s control system, which controlled and balanced the electrical and mechanical parts of the power train with a single lever. His first patent for this was in 1914, but it was the third patent (#1,589,182) of June 15, 1926, when he achieved an all-electrical solution. Lemp\u0026#039;s control saw widespread use in diesel-electric locomotives for over 50 years. The same principles are used today in the control software for diesel-electric locomotives with DC-traction motors.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EGreat Northern 2313, later Montana Western 31, is the oldest surviving Electro-Motive Co. (EMC) gas-electric rail motorcar, which reduced operating costs by 50 percent over the steam-locomotive trains it replaced. This 32-ton car from 1925 features a Winton gasoline engine and General Electric generator and traction motors. The early EMC cars made the first major use of Hermann Lemp's control system, which controlled and balanced the electrical and mechanical parts of the power train with a single lever. His first patent for this was in 1914, but it was the third patent (#1,589,182) of June 15, 1926, when he achieved an all-electrical solution. Lemp's control saw widespread use in diesel-electric locomotives for over 50 years. The same principles are used today in the control software for diesel-electric locomotives with DC-traction motors.\u003C/span\u003E\u003C/span\u003Ectric locomotives with DC-traction motors.","title":"Great Northern 2313 \u2013 Montana Western 31 Gas-Electric Rail Motorcar","link":"","lat":43.460361,"lon":-89.874329,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Great_Western_Railway,_1841\" title=\"ASCE-Landmark:Great Western Railway, 1841\"\u003EGreat Western Railway, 1841\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Great Western Railway was the first major civil engineering work of Isambard Kingdom Brunel, an engineering genius and innovator.","title":"Great Western Railway, 1841","link":"","lat":51.5173,"lon":-0.1174,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Greens_Bayou_Generator_Plant\" title=\"ASME-Landmark:Greens Bayou Generator Plant\"\u003EGreens Bayou Generator Plant\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EOn April 21, 1949, a completely outdoor tu\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"On April 21, 1949, a completely outdoor turbine-generator was placed into commercial operation at the Greens Bayou electric power plant\u2014the first fully outdoor unit to operate in the United States. The demand for unprecedented quantities of electricity after World War II had pressed utilities to provide additional power quickly. The outdoor design, unlike the traditional large turbine hall, significantly reduced the cost per kilowatt to build the plant and made maintenance easier and less expensive. To remove protective housings, engineers dealt with issues such as the freezing of water-based systems, weather exposure, corrosion, and ease of maintenance access to sealed components.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EOn April 21, 1949, a completely outdoor turbine-generator was placed into commercial operation at the Greens Bayou electric power plant\u2014the first fully outdoor unit to operate in the United States. The demand for unprecedented quantities of electricity after World War II had pressed utilities to provide additional power quickly. The outdoor design, unlike the traditional large turbine hall, significantly reduced the cost per kilowatt to build the plant and made maintenance easier and less expensive. To remove protective housings, engineers dealt with issues such as the freezing of water-based systems, weather exposure, corrosion, and ease of maintenance access to sealed components.\u003C/span\u003E\u003C/span\u003Ef maintenance access to sealed components.","title":"Greens Bayou Generator Plant","link":"","lat":29.821613,"lon":-95.219361,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Grumman_Wildcat_%22Sto-Wing%22_Wing-Folding_Mechanism\" title=\"ASME-Landmark:Grumman Wildcat \u0026quot;Sto-Wing\u0026quot; Wing-Folding Mechanism\"\u003EGrumman Wildcat \"Sto-Wing\" Wing-Folding Mechanism\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Wildcat's innovative \"Sto-Wing\" mechanism, developed in 1942 on the XF4F-4 prototype by Leroy (Roy) Grumman (1895-1982), a founder of Grumman Aircraft Engineering Corporation, was crucial to the U.S. Navy's success during World War II.","title":"Grumman Wildcat \"Sto-Wing\" Wing-Folding Mechanism","link":"","lat":42.2274,"lon":-85.556728,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Guayabo_Ceremonial_Center,_300_BC_-_AD_1400\" title=\"ASCE-Landmark:Guayabo Ceremonial Center, 300 BC - AD 1400\"\u003EGuayabo Ceremonial Center, 300 BC - AD 1400\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe pre-Columbian civilization of Costa Ri\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The pre-Columbian civilization of Costa Rica built the Guayabo Ceremonial Center with care and skill. The roadways, retaining walls, underground channels, water supply, and flood control and drainage facilities represent remarkable civil engineering achievements.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe pre-Columbian civilization of Costa Rica built the Guayabo Ceremonial Center with care and skill. The roadways, retaining walls, underground channels, water supply, and flood control and drainage facilities represent remarkable civil engineering achievements.\u003C/span\u003E\u003C/span\u003Eremarkable civil engineering achievements.","title":"Guayabo Ceremonial Center, 300 BC - AD 1400","link":"","lat":9.966666667,"lon":-83.68333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Gunnison_Tunnel,_1909\" title=\"ASCE-Landmark:Gunnison Tunnel, 1909\"\u003EGunnison Tunnel, 1909\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Gunnison Tunnel was the longest irrigation tunnel in America and was the key to the first major trans-mountain irrigation system in the United States.","title":"Gunnison Tunnel, 1909","link":"","lat":38.49333333,"lon":-107.7213889,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Hacienda_La_Esperanza_Sugar_Mill_Steam_Engine\" title=\"ASME-Landmark:Hacienda La Esperanza Sugar Mill Steam Engine\"\u003EHacienda La Esperanza Sugar Mill Steam Engine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe La Esperanza sugar mill steam engine i\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The La Esperanza sugar mill steam engine is one of the few remaining American links to the pioneer beam engines of the English inventors Thomas Newcomen (1712) and James Watt (1769). The engine was built in 1861 in Cold Spring, New York, by the West Point Foundry. The general arrangement and details, including the Gothic embellishment, are typical of machinery of the period. The straight-line motion of the piston rod is accommodated to the arc of the moving beam end by a parallel motion. Watt regarded this ingenious linkage as the invention of which he was most proud.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe La Esperanza sugar mill steam engine is one of the few remaining American links to the pioneer beam engines of the English inventors Thomas Newcomen (1712) and James Watt (1769). The engine was built in 1861 in Cold Spring, New York, by the West Point Foundry. The general arrangement and details, including the Gothic embellishment, are typical of machinery of the period. The straight-line motion of the piston rod is accommodated to the arc of the moving beam end by a parallel motion. Watt regarded this ingenious linkage as the invention of which he was most proud.\u003C/span\u003E\u003C/span\u003E the invention of which he was most proud.","title":"Hacienda La Esperanza Sugar Mill Steam Engine","link":"","lat":18.468945,"lon":-66.522903,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Hagia_Sophia,_532-537\" title=\"ASCE-Landmark:Hagia Sophia, 532-537\"\u003EHagia Sophia, 532-537\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBuilt under Emperor Justinian\u2019s direction from 532-537 and named the Church of the Holy Wisdom, Hagia Sophia\u2019s dome is still among the largest in the world.","title":"Hagia Sophia, 532-537","link":"","lat":41.008548,"lon":28.979938,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Hanford_B_Reactor\" title=\"ASME-Landmark:Hanford B Reactor\"\u003EHanford B Reactor\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Hanford B-Reactor was the first full-s\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Hanford B-Reactor was the first full-scale plutonium production reactor to be placed in operation. Its success made possible the subsequent development of atomic energy. Much of the reactor core, cooling system, shielding, and auxiliary systems were designed by mechanical engineers.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Hanford B-Reactor was the first full-scale plutonium production reactor to be placed in operation. Its success made possible the subsequent development of atomic energy. Much of the reactor core, cooling system, shielding, and auxiliary systems were designed by mechanical engineers.\u003C/span\u003E\u003C/span\u003Eems were designed by mechanical engineers.","title":"Hanford B Reactor","link":"","lat":46.631043,"lon":-119.64607,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Hanford_B_Reactor,_1944\" title=\"ASCE-Landmark:Hanford B Reactor, 1944\"\u003EHanford B Reactor, 1944\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EDesigned and built as a part of the Manhattan Project during World War II, the Hanford B Reactor was the world\u2019s first full scale nuclear production facility.","title":"Hanford B Reactor, 1944","link":"","lat":46.63027778,"lon":-119.6475,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Harris-Corliss_Steam_Engine\" title=\"ASME-Landmark:Harris-Corliss Steam Engine\"\u003EHarris-Corliss Steam Engine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThis 350-horsepower Corliss type steam eng\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"This 350-horsepower Corliss type steam engine is an example of a typical late nineteenth century steam engine. The essential feature of Corliss type engines is the valves that admit steam to and exhaust it from the cylinder. The Corliss valve gear made the engine extremely efficient in steam consumption and was the most efficient system for controlling low to medium speed engines.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThis 350-horsepower Corliss type steam engine is an example of a typical late nineteenth century steam engine. The essential feature of Corliss type engines is the valves that admit steam to and exhaust it from the cylinder. The Corliss valve gear made the engine extremely efficient in steam consumption and was the most efficient system for controlling low to medium speed engines.\u003C/span\u003E\u003C/span\u003Er controlling low to medium speed engines.","title":"Harris-Corliss Steam Engine","link":"","lat":33.77172,"lon":-84.400323,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Hart_Parr_Tractor\" title=\"ASME-Landmark:Hart Parr Tractor\"\u003EHart Parr Tractor\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe first commercially successful farm tra\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The first commercially successful farm tractor in the world powered by an internal-combustion engine was invented and built by Charles W. Hart and Charles H. Parr from 1907 to 1918 in Charles City, Iowa, as their Model 3, following two prototype versions. Major accomplishments included an oil-cooled engine, the valve in the head principle with overhead cam, the magneto-ignition system, the plow gear, the vaporizing carburetor with water injection, and forced-fed lubrication.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe first commercially successful farm tractor in the world powered by an internal-combustion engine was invented and built by Charles W. Hart and Charles H. Parr from 1907 to 1918 in Charles City, Iowa, as their Model 3, following two prototype versions. Major accomplishments included an oil-cooled engine, the valve in the head principle with overhead cam, the magneto-ignition system, the plow gear, the vaporizing carburetor with water injection, and forced-fed lubrication.\u003C/span\u003E\u003C/span\u003Eter injection, and forced-fed lubrication.","title":"Hart Parr Tractor","link":"","lat":43.062908,"lon":-92.678946,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:High_Bridge,_1877\" title=\"ASCE-Landmark:High Bridge, 1877\"\u003EHigh Bridge, 1877\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EKnown as the first major cantilever bridge in the United States, the High Bridge represents the highest (275-feet) and longest cantilever bridge in the world at that time.","title":"High Bridge, 1877","link":"","lat":37.81694444,"lon":-84.72027778,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Hiwassee_Dam_Unit_2_Reversible_Pump-Turbine\" title=\"ASME-Landmark:Hiwassee Dam Unit 2 Reversible Pump-Turbine\"\u003EHiwassee Dam Unit 2 Reversible Pump-Turbine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Hiwassee dam and power plant on the Hi\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Hiwassee dam and power plant on the Hiwassee River near Murphy, North Carolina, was built by TVA between 1936 to 1940 as a flood control and electrical generating facility. The initial power installation consisted of a single conventional Francis turbine driving a generator with a rating of 57,600 kW, placed in service in May 1940.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Hiwassee dam and power plant on the Hiwassee River near Murphy, North Carolina, was built by TVA between 1936 to 1940 as a flood control and electrical generating facility. The initial power installation consisted of a single conventional Francis turbine driving a generator with a rating of 57,600 kW, placed in service in May 1940.\u003C/span\u003E\u003C/span\u003E 57,600 kW, placed in service in May 1940.","title":"Hiwassee Dam Unit 2 Reversible Pump-Turbine","link":"","lat":35.151458,"lon":-84.177815,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Hohokam_Canal_System,_600_-_1450_AD\" title=\"ASCE-Landmark:Hohokam Canal System, 600 - 1450 AD\"\u003EHohokam Canal System, 600 - 1450 AD\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Hohokam canal system is a significant pre-Columbian Native American example of modification of the environment for beneficial use by society.","title":"Hohokam Canal System, 600 - 1450 AD","link":"","lat":33.433333,"lon":111.983333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Holland_Tunnel,_1927\" title=\"ASCE-Landmark:Holland Tunnel, 1927\"\u003EHolland Tunnel, 1927\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Holland Tunnel, a twin-tube subaqueous highway tunnel with its unprecedented length of 8,500 feet, was a bold step forward in navigable waterway crossings.","title":"Holland Tunnel, 1927","link":"","lat":40.85,"lon":-73.95,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Holland_Tunnel_Ventilation_System\" title=\"ASME-Landmark:Holland Tunnel Ventilation System\"\u003EHolland Tunnel Ventilation System\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn the Holland Tunnel's transverse-flow sy\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In the Holland Tunnel\u0026#039;s transverse-flow system, fresh air is drawn from the outside through one of four ventilation buildings and blown by fans into a fresh air duct located under each tunnel roadway. The air enters the tunnel proper through narrow slots just above the curb, spaced 10 to 15 feet (3 to 4.5 m) apart. Exhaust fans (also located in the ventilation buildings) pull the exhaust-laden air through openings in the ceiling into an exhaust duct located above the ceiling slab, and discharges it into the open air through the roof of one of the ventilation buildings.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn the Holland Tunnel's transverse-flow system, fresh air is drawn from the outside through one of four ventilation buildings and blown by fans into a fresh air duct located under each tunnel roadway. The air enters the tunnel proper through narrow slots just above the curb, spaced 10 to 15 feet (3 to 4.5 m) apart. Exhaust fans (also located in the ventilation buildings) pull the exhaust-laden air through openings in the ceiling into an exhaust duct located above the ceiling slab, and discharges it into the open air through the roof of one of the ventilation buildings.\u003C/span\u003E\u003C/span\u003E roof of one of the ventilation buildings.","title":"Holland Tunnel Ventilation System","link":"","lat":40.726381,"lon":-74.011891,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Holly_District_Heating_System\" title=\"ASME-Landmark:Holly District Heating System\"\u003EHolly District Heating System\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Holly Manufacturing Company was founde\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Holly Manufacturing Company was founded by Birdsill Holly in 1859 in Lockport, N.Y., to produce sewing machines, cistern pumps, and rotary pumps. After designing Lockport\u0026#039;s Fire Protection and Water System (ASME landmark #121), Holly began to address how best to heat buildings by steam\u2014and after experimenting with steam heat in his own home, he formed the Holly Steam Combination Company in 1877.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Holly Manufacturing Company was founded by Birdsill Holly in 1859 in Lockport, N.Y., to produce sewing machines, cistern pumps, and rotary pumps. After designing Lockport's Fire Protection and Water System (ASME landmark #121), Holly began to address how best to heat buildings by steam\u2014and after experimenting with steam heat in his own home, he formed the Holly Steam Combination Company in 1877.\u003C/span\u003E\u003C/span\u003Ee Holly Steam Combination Company in 1877.","title":"Holly District Heating System","link":"","lat":43.170868,"lon":-78.694765,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Holly_Fire_Protection_and_Water_System\" title=\"ASME-Landmark:Holly Fire Protection and Water System\"\u003EHolly Fire Protection and Water System\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Holly Manufacturing Company was founde\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Holly Manufacturing Company was founded by Birdsill Holly in 1859 in Lockport, N.Y., to produce sewing machines, cistern pumps, and rotary pumps. That year, it entered into an agreement with the Lockport Hydraulic Company to construct a race on the south side of the Erie Canal to be used for water power, and in 1861, the Holly Manufacturing Company began construction of a five story building to be used as a foundry and boiler building located between the canal and the hydraulic race.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Holly Manufacturing Company was founded by Birdsill Holly in 1859 in Lockport, N.Y., to produce sewing machines, cistern pumps, and rotary pumps. That year, it entered into an agreement with the Lockport Hydraulic Company to construct a race on the south side of the Erie Canal to be used for water power, and in 1861, the Holly Manufacturing Company began construction of a five story building to be used as a foundry and boiler building located between the canal and the hydraulic race.\u003C/span\u003E\u003C/span\u003E between the canal and the hydraulic race.","title":"Holly Fire Protection and Water System","link":"","lat":43.170868,"lon":-78.694765,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Holt_Caterpillar_Tractor\" title=\"ASME-Landmark:Holt Caterpillar Tractor\"\u003EHolt Caterpillar Tractor\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ENamed after Benjamin Holt (1849-1920), the Holt Manufacturing Company of Stockton pioneered the first continuous track gasoline-powered haulers, or caterpillar tractors, influencing designs worldwide.","title":"Holt Caterpillar Tractor","link":"","lat":37.960612,"lon":-121.313934,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Holyoke_Water_Power_System\" title=\"ASME-Landmark:Holyoke Water Power System\"\u003EHolyoke Water Power System\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn 1850, the city of Holyoke\u2014a system of d\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In 1850, the city of Holyoke\u2014a system of dams, canals, mills, streets, and boarding houses created by a group of Boston inventors\u2014was incorporated. Its dam and canals, built between 1847 and 1892, provided work for numerous immigrants, and during and after the Civil War, the demand for paper stock stimulated the growth of twenty-three paper mills, producing 150 tons of paper a day. By 1877, Holyoke was a major industrial center known as the Paper City.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn 1850, the city of Holyoke\u2014a system of dams, canals, mills, streets, and boarding houses created by a group of Boston inventors\u2014was incorporated. Its dam and canals, built between 1847 and 1892, provided work for numerous immigrants, and during and after the Civil War, the demand for paper stock stimulated the growth of twenty-three paper mills, producing 150 tons of paper a day. By 1877, Holyoke was a major industrial center known as the Paper City.\u003C/span\u003E\u003C/span\u003Eindustrial center known as the Paper City.","title":"Holyoke Water Power System","link":"","lat":42.2052,"lon":-72.607167,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Hoosac_Tunnel,_1876\" title=\"ASCE-Landmark:Hoosac Tunnel, 1876\"\u003EHoosac Tunnel, 1876\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen completed, the Hoosac Tunnel was the largest and longest transportation tunnel in the Western Hemisphere.","title":"Hoosac Tunnel, 1876","link":"","lat":42.675,"lon":-73.04527778,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Hoover_Dam,_1935\" title=\"ASCE-Landmark:Hoover Dam, 1935\"\u003EHoover Dam, 1935\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Hoover Dam, a 726-foot high-arch gravity structure, was the greatest constructed project at that time and remains one of the highest concrete dams in the Western Hemisphere.","title":"Hoover Dam, 1935","link":"","lat":36.01555556,"lon":-114.7377778,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Horseshoe_Curve-Pennsylvania_RR,_1854\" title=\"ASCE-Landmark:Horseshoe Curve-Pennsylvania RR, 1854\"\u003EHorseshoe Curve-Pennsylvania RR, 1854\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Horseshoe Curve of the Pennsylvania Railroad was 549 meters across and 805 meters long with a 1.8 percent grade, which eliminated the Portage Railroad\u2019s 10 incline planes and greatly encouraged east-west trade crossing the Allegheny Mountains.","title":"Horseshoe Curve-Pennsylvania RR, 1854","link":"","lat":40.49763889,"lon":-78.48416667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Houston_Ship_Channel,_1914\" title=\"ASCE-Landmark:Houston Ship Channel, 1914\"\u003EHouston Ship Channel, 1914\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EUnder continuous development since the ori\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Under continuous development since the original construction, the Houston Ship Channel is directly linked to hundreds of transportation facilities, industrial plants, and other enterprises that use the channel to ship products to markets throughout the world.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EUnder continuous development since the original construction, the Houston Ship Channel is directly linked to hundreds of transportation facilities, industrial plants, and other enterprises that use the channel to ship products to markets throughout the world.\u003C/span\u003E\u003C/span\u003E products to markets throughout the world.","title":"Houston Ship Channel, 1914","link":"","lat":29.70833333,"lon":-95.005,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Howard_Hughes_Flying_Boat,_HK-1\" title=\"ASME-Landmark:Howard Hughes Flying Boat, HK-1\"\u003EHoward Hughes Flying Boat, HK-1\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBetter known as the \"Spruce Goose,\" the Ho\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Better known as the \u0026quot;Spruce Goose,\u0026quot; the Howard Hughes Flying Boat was designed and built by Hughes Aircraft Co., to be the largest wood-constructed and the largest wingspan airplane ever built. As Hughes perfected his craft, he added significantly to what is known in areas of large-lift capability and power-boost systems.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EBetter known as the \"Spruce Goose,\" the Howard Hughes Flying Boat was designed and built by Hughes Aircraft Co., to be the largest wood-constructed and the largest wingspan airplane ever built. As Hughes perfected his craft, he added significantly to what is known in areas of large-lift capability and power-boost systems.\u003C/span\u003E\u003C/span\u003Ee-lift capability and power-boost systems.","title":"Howard Hughes Flying Boat, HK-1","link":"","lat":45.204296,"lon":-123.145451,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Hudson_and_Manhattan_RR_Tunnel,_1908\" title=\"ASCE-Landmark:Hudson and Manhattan RR Tunnel, 1908\"\u003EHudson and Manhattan RR Tunnel, 1908\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Hudson \u0026amp; Manhattan Railroad Tunnel was the first railroad tunnel under a major river in the country and introduced a shield-system of subaqueous tunneling to the United States.","title":"Hudson and Manhattan RR Tunnel, 1908","link":"","lat":40.712,"lon":-74.012,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Huey_P._Long_Bridge,_1935\" title=\"ASCE-Landmark:Huey P. Long Bridge, 1935\"\u003EHuey P. Long Bridge, 1935\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Huey P. Long Bridge was the first bridge to span the Mississippi River at New Orleans. The dual-track railroad portion, with its total length of 22,995 feet, was the longest, high-level railroad bridge in the world at the time.","title":"Huey P. Long Bridge, 1935","link":"","lat":29.94416667,"lon":-90.16888889,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Hughes_Glomar_Explorer\" title=\"ASME-Landmark:Hughes Glomar Explorer\"\u003EHughes Glomar Explorer\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Hughes Glomar Explorer was designed to\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Hughes Glomar Explorer was designed to complete the secret mission of lifting a 2,000-ton Soviet submarine 17,000 feet from the bottom of the Pacific Ocean. The Soviet Golf-II class submarine K-129 had sunk in the Pacific Ocean near Hawaii in April 1968 and the recovery mission\u2014termed the \u0026quot;Jennifer Project\u0026quot;\u2014launched in July 1974.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Hughes Glomar Explorer was designed to complete the secret mission of lifting a 2,000-ton Soviet submarine 17,000 feet from the bottom of the Pacific Ocean. The Soviet Golf-II class submarine K-129 had sunk in the Pacific Ocean near Hawaii in April 1968 and the recovery mission\u2014termed the \"Jennifer Project\"\u2014launched in July 1974.\u003C/span\u003E\u003C/span\u003E \"Jennifer Project\"\u2014launched in July 1974.","title":"Hughes Glomar Explorer","link":"","lat":40,"lon":180,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Hughes_Two-Cone_Drill_Bit\" title=\"ASME-Landmark:Hughes Two-Cone Drill Bit\"\u003EHughes Two-Cone Drill Bit\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EPrior to 1909, the traditional fishtail bi\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Prior to 1909, the traditional fishtail bit used for drilling oil scraped the rock and quickly dulled in service. At that time, Howard Robard Hughes, Sr., had experienced success in his early oil-drilling ventures, but had quickly become frustrated by the slow rate of penetration in harder formations, in which the fishtail bit simply could not achieve sufficient drilling progress. Around 1906, Hughes began to conduct experiments on a rock bit designed to replace the fishtail bit. The resulting Hughes Two-Cone Drill Bit\u0026#039;s revolutionary rolling action crushed hard-rock formations with twin cone-shaped, hardened steel bits, each with 166 cutting edges, revolving on bronze bearings shaped to provide a large surface with reduced friction.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EPrior to 1909, the traditional fishtail bit used for drilling oil scraped the rock and quickly dulled in service. At that time, Howard Robard Hughes, Sr., had experienced success in his early oil-drilling ventures, but had quickly become frustrated by the slow rate of penetration in harder formations, in which the fishtail bit simply could not achieve sufficient drilling progress. Around 1906, Hughes began to conduct experiments on a rock bit designed to replace the fishtail bit. The resulting Hughes Two-Cone Drill Bit's revolutionary rolling action crushed hard-rock formations with twin cone-shaped, hardened steel bits, each with 166 cutting edges, revolving on bronze bearings shaped to provide a large surface with reduced friction.\u003C/span\u003E\u003C/span\u003Eide a large surface with reduced friction.","title":"Hughes Two-Cone Drill Bit","link":"","lat":30.173801,"lon":-95.463353,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Hulett_Ore_Unloaders\" title=\"ASME-Landmark:Hulett Ore Unloaders\"\u003EHulett Ore Unloaders\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Hulett ore unloaders were highly effic\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Hulett ore unloaders were highly efficient materials handling machines unique to the Great Lakes, invented by Clevelander George H. Hulett (1846-1923). The first, steam-powered, with a 10-ton-capacity grab bucket, went into service at Conneaut, Ohio, in 1899. It could unload an ore boat at the rate of 275 tons an hour.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Hulett ore unloaders were highly efficient materials handling machines unique to the Great Lakes, invented by Clevelander George H. Hulett (1846-1923). The first, steam-powered, with a 10-ton-capacity grab bucket, went into service at Conneaut, Ohio, in 1899. It could unload an ore boat at the rate of 275 tons an hour.\u003C/span\u003E\u003C/span\u003E ore boat at the rate of 275 tons an hour.","title":"Hulett Ore Unloaders","link":"","lat":41.495489,"lon":-81.721951,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Hwaseong_Fortress,_1796\" title=\"ASCE-Landmark:Hwaseong Fortress, 1796\"\u003EHwaseong Fortress, 1796\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe rapid construction of the Hwaseong Fortress, using paid labor, symbolizes the cultural and technological renaissance under King Jeongjo.","title":"Hwaseong Fortress, 1796","link":"","lat":37.28861111,"lon":127.0141667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Hydraulic-Powered_Inclined_Plane_System_of_the_Morris_Canal,_1824-1836\" title=\"ASCE-Landmark:Hydraulic-Powered Inclined Plane System of the Morris Canal, 1824-1836\"\u003EHydraulic-Powered Inclined Plane System of the Morris Canal, 1824-1836\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Hydraulic-Powered Inclined Plane syste\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Hydraulic-Powered Inclined Plane system was the key civil engineering feature that permitted the successful completion of the Morris Canal project in 1831. The inclined planes were essentially short railways that allowed the canal boats to change as much as 100 feet in elevation in 15 minutes.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Hydraulic-Powered Inclined Plane system was the key civil engineering feature that permitted the successful completion of the Morris Canal project in 1831. The inclined planes were essentially short railways that allowed the canal boats to change as much as 100 feet in elevation in 15 minutes.\u003C/span\u003E\u003C/span\u003Ech as 100 feet in elevation in 15 minutes.","title":"Hydraulic-Powered Inclined Plane System of the Morris Canal, 1824-1836","link":"","lat":40.910269,"lon":-74.770717,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Hydraulics_Laboratory_at_the_University_of_Iowa,_1919\" title=\"ASCE-Landmark:Hydraulics Laboratory at the University of Iowa, 1919\"\u003EHydraulics Laboratory at the University of Iowa, 1919\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe University of Iowa Hydraulics Laboratory is the oldest such university-based facility in the U.S. that has continuously focused on research and education in hydraulic engineering.","title":"Hydraulics Laboratory at the University of Iowa, 1919","link":"","lat":41.65,"lon":-91.53333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Hydromatic_Propeller\" title=\"ASME-Landmark:Hydromatic Propeller\"\u003EHydromatic Propeller\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ERapid development of aircraft design in th\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Rapid development of aircraft design in the 1930s required many related innovations, including propeller design. The hydromatic propeller by Hamilton Standard marked a significant advance over the counterweight-type, controllable pitch propeller. The first test flight of the prototype took place in 1938, with a public demonstration by a United Air Lines DC-3 over New York City on April 6, 1938. It played a distinguished role in allied combat aircraft in World War II, and its continuing development has incorporated many features used on later aircraft, including turboprop planes.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003ERapid development of aircraft design in the 1930s required many related innovations, including propeller design. The hydromatic propeller by Hamilton Standard marked a significant advance over the counterweight-type, controllable pitch propeller. The first test flight of the prototype took place in 1938, with a public demonstration by a United Air Lines DC-3 over New York City on April 6, 1938. It played a distinguished role in allied combat aircraft in World War II, and its continuing development has incorporated many features used on later aircraft, including turboprop planes.\u003C/span\u003E\u003C/span\u003Eater aircraft, including turboprop planes.","title":"Hydromatic Propeller","link":"","lat":41.947084,"lon":-72.691008,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:IBM_350_RAMAC_Disk_File\" title=\"ASME-Landmark:IBM 350 RAMAC Disk File\"\u003EIBM 350 RAMAC Disk File\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe IBM 350 RAMAC (Random Access Method of\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The IBM 350 RAMAC (Random Access Method of Accounting and Control) disk drive storage development led to the breakthrough of online computer systems by providing the first storage device with random access to large volumes of data. Making information directly available for computer processing on demand meant that no longer would processors stand idle while searches were made through reels of magnetic tape or data was punched into cards and sorted for processing. After its introduction on September 4, 1956, the IBM 350 became the primary computer bulk-storage medium.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe IBM 350 RAMAC (Random Access Method of Accounting and Control) disk drive storage development led to the breakthrough of online computer systems by providing the first storage device with random access to large volumes of data. Making information directly available for computer processing on demand meant that no longer would processors stand idle while searches were made through reels of magnetic tape or data was punched into cards and sorted for processing. After its introduction on September 4, 1956, the IBM 350 became the primary computer bulk-storage medium.\u003C/span\u003E\u003C/span\u003E the primary computer bulk-storage medium.","title":"IBM 350 RAMAC Disk File","link":"","lat":37.249891,"lon":-121.801792,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Icing_Research_Tunnel,_NASA_Lewis_Research_Center\" title=\"ASME-Landmark:Icing Research Tunnel, NASA Lewis Research Center\"\u003EIcing Research Tunnel, NASA Lewis Research Center\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWind tunnels have been a part of aviation \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Wind tunnels have been a part of aviation research since the days of Wilbur and Orville Wright.The Icing Research Tunnel (IRT) at the NASA Lewis Research Center was designed and built in 1944 by a group of engineers with wind tunnel design experience at NACA\u0026#039;s Langley and Ames Laboratories. Although at least two icing tunnels existed prior to the IRT (at Massachusetts Institute of Technology and B.F. Goodrich), they were much smaller, as the technology to create a larger icing wind tunnel that could operate year round simply did not exist in the early 1940s. The IRT designers and contractors had to create new systems.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EWind tunnels have been a part of aviation research since the days of Wilbur and Orville Wright.\u0026lt;/br\u0026gt;The Icing Research Tunnel (IRT) at the NASA Lewis Research Center was designed and built in 1944 by a group of engineers with wind tunnel design experience at NACA's Langley and Ames Laboratories. Although at least two icing tunnels existed prior to the IRT (at Massachusetts Institute of Technology and B.F. Goodrich), they were much smaller, as the technology to create a larger icing wind tunnel that could operate year round simply did not exist in the early 1940s. The IRT designers and contractors had to create new systems.\u003C/span\u003E\u003C/span\u003Eand contractors had to create new systems.","title":"Icing Research Tunnel, NASA Lewis Research Center","link":"","lat":41.419708,"lon":-81.852883,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Idols_Station,_Fries_Manufacturing_%26_Power_Company\" title=\"ASME-Landmark:Idols Station, Fries Manufacturing \u0026amp; Power Company\"\u003EIdols Station, Fries Manufacturing \u0026amp; Power Company\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIdol's Hydro Station, as developed and pla\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Idol\u0026#039;s Hydro Station, as developed and placed in operation by The Fries Manufacturing and Power Company on April 18, 1898, was typical of small-scale, low-head first generation hydroelectric stations of that day. It was the first commercial hydroelectric generating station in North Carolina using long distance (13\u00bc miles) transmission of alternating current power at 10,000 volts. It provided power for textile and fertilizer mills, an electric railway system, electric street lighting, and wood and metal working shops in the towns of Winston and Salem, N.C.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIdol's Hydro Station, as developed and placed in operation by The Fries Manufacturing and Power Company on April 18, 1898, was typical of small-scale, low-head first generation hydroelectric stations of that day. It was the first commercial hydroelectric generating station in North Carolina using long distance (13\u00bc miles) transmission of alternating current power at 10,000 volts. It provided power for textile and fertilizer mills, an electric railway system, electric street lighting, and wood and metal working shops in the towns of Winston and Salem, N.C.\u003C/span\u003E\u003C/span\u003Eps in the towns of Winston and Salem, N.C.","title":"Idols Station, Fries Manufacturing \u0026 Power Company","link":"","lat":35.975137,"lon":-80.398142,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Ifugao_Rice_Terraces,_100_BC\" title=\"ASCE-Landmark:Ifugao Rice Terraces, 100 BC\"\u003EIfugao Rice Terraces, 100 BC\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EDating from 100 BC, the Ifugao Rice Terraces are the oldest and most extensive use of terraces in the world.","title":"Ifugao Rice Terraces, 100 BC","link":"","lat":16.91055556,"lon":121.0541667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Ingalls_Building,_1903\" title=\"ASCE-Landmark:Ingalls Building, 1903\"\u003EIngalls Building, 1903\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Ingalls Building was the first reinforced concrete skyscraper in the world.","title":"Ingalls Building, 1903","link":"","lat":39.10027778,"lon":-84.5125,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Interborough_Rapid_Transit_System,_Original_Line\" title=\"ASME-Landmark:Interborough Rapid Transit System, Original Line\"\u003EInterborough Rapid Transit System, Original Line\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Interborough Rapid Transit Company (IR\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Interborough Rapid Transit Company (IRT) was awarded the rights to build the railway line, and ground was broken on March 24, 1900. The original subway, which opened October 27, 1904, ran 9.1 miles from City Hall in downtown Manhattan to 145th Street and Broadway in Harlem. The fare was a nickel. Extensions to the Bronx opened in 1905 and to Brooklyn in 1908, completing the first subway.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Interborough Rapid Transit Company (IRT) was awarded the rights to build the railway line, and ground was broken on March 24, 1900. The original subway, which opened October 27, 1904, ran 9.1 miles from City Hall in downtown Manhattan to 145th Street and Broadway in Harlem. The fare was a nickel. Extensions to the Bronx opened in 1905 and to Brooklyn in 1908, completing the first subway.\u003C/span\u003E\u003C/span\u003Eklyn in 1908, completing the first subway.","title":"Interborough Rapid Transit System, Original Line","link":"","lat":40.690452,"lon":-73.988536,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:International_Boundary_Marker,_1855\" title=\"ASCE-Landmark:International Boundary Marker, 1855\"\u003EInternational Boundary Marker, 1855\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBoundary Marker No. 1, located between Don\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Boundary Marker No. 1, located between Dona Ana County, New Mexico (near El Paso, Texas), and Juarez, Mexico, not only represents an international boundary but is also a monument to the professional skills of the American surveyors who were called upon to locate it in 1855.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EBoundary Marker No. 1, located between Dona Ana County, New Mexico (near El Paso, Texas), and Juarez, Mexico, not only represents an international boundary but is also a monument to the professional skills of the American surveyors who were called upon to locate it in 1855.\u003C/span\u003E\u003C/span\u003Ewho were called upon to locate it in 1855.","title":"International Boundary Marker, 1855","link":"","lat":31.739444,"lon":-106.486944,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Iron_Bridge,_1779\" title=\"ASCE-Landmark:Iron Bridge, 1779\"\u003EIron Bridge, 1779\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Iron Bridge, crossing the River Severn, is recognized as the first iron bridge in the world.","title":"Iron Bridge, 1779","link":"","lat":52.627245,"lon":-2.485533,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Iron_Building_of_the_U.S._Army_Arsenal,_1859\" title=\"ASCE-Landmark:Iron Building of the U.S. Army Arsenal, 1859\"\u003EIron Building of the U.S. Army Arsenal, 1859\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBuilt entirely of cast iron and wrought iron elements, the Iron Building of the US Arsenal is believed to be the oldest all-metal building in the United States.","title":"Iron Building of the U.S. Army Arsenal, 1859","link":"","lat":42.71666667,"lon":-73.70833333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Jackson_Ferry_Shot_Tower\" title=\"ASME-Landmark:Jackson Ferry Shot Tower\"\u003EJackson Ferry Shot Tower\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Jackson Ferry Shot Tower\u2014where small lead projectiles were produced by \"dropping\" them in a free fall\u2014is the only one of its kind in Wythe County and is one of only three such remaining antiquities in the nation.","title":"Jackson Ferry Shot Tower","link":"","lat":36.870046,"lon":-80.87031,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Jacobs_Engine_Brake_Retarder\" title=\"ASME-Landmark:Jacobs Engine Brake Retarder\"\u003EJacobs Engine Brake Retarder\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EInvented in 1957, the Jacobs Engine Brake Compression Retarder, or \"Jake Brake,\" permits large trucks to descend long, steep grades at a controlled speed by turning a diesel engine into an air compressor.","title":"Jacobs Engine Brake Retarder","link":"","lat":41.85331,"lon":-72.699396,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Jeep_Model_MB\" title=\"ASME-Landmark:Jeep Model MB\"\u003EJeep Model MB\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe prototype four-cylinder \"Quad\" was des\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The prototype four-cylinder \u0026quot;Quad\u0026quot; was designed in 1940-41 by Delmar Roos. Between 1941 and 1945, more than 637,000 Jeep vehicles were produced by the Willys-Overland Company (now the Chrysler Corporation) and the Ford Motor Company (under license). The basic MB design, the first model produced in quantity, led to a number of adaptations, including amphibious (called \u0026quot;Seeps,\u0026quot; or seagoing Jeeps) and airborne versions, ambulances (dubbed \u0026quot;Janes\u0026quot; and capable of carrying three stretchers each), tractors, and half-tracks.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe prototype four-cylinder \"Quad\" was designed in 1940-41 by Delmar Roos. Between 1941 and 1945, more than 637,000 Jeep vehicles were produced by the Willys-Overland Company (now the Chrysler Corporation) and the Ford Motor Company (under license). The basic MB design, the first model produced in quantity, led to a number of adaptations, including amphibious (called \"Seeps,\" or seagoing Jeeps) and airborne versions, ambulances (dubbed \"Janes\" and capable of carrying three stretchers each), tractors, and half-tracks.\u003C/span\u003E\u003C/span\u003Eretchers each), tractors, and half-tracks.","title":"Jeep Model MB","link":"","lat":41.687266,"lon":-83.561417,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:John_A._Roebling_Bridge,_1866\" title=\"ASCE-Landmark:John A. Roebling Bridge, 1866\"\u003EJohn A. Roebling Bridge, 1866\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe John A. Roebling Bridge, a suspension bridge with a main span of 1,057 feet, was the greatest structure of its kind in the world and was the prototype for the Brooklyn Bridge, which followed 16 years later.","title":"John A. Roebling Bridge, 1866","link":"","lat":39.09223056,"lon":-84.50956944,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:John_Penn_%26_Sons_Oscillating_Steam_Engine\" title=\"ASME-Landmark:John Penn \u0026amp; Sons Oscillating Steam Engine\"\u003EJohn Penn \u0026amp; Sons Oscillating Steam Engine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe oscillating steam engine, built by Joh\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The oscillating steam engine, built by John Penn \u0026amp; Sons, is located aboard the famed paddle steamer Diesbar, the second oldest of a fleet of nine paddle steamers in Dresden. What makes the Diesbar unique is its coal fueled engine and single deck design. The John Penn and Sons engine that runs the steamer is the oldest operational marine steam engine in the world. It has been in operation for over 175 years.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe oscillating steam engine, built by John Penn \u0026 Sons, is located aboard the famed paddle steamer Diesbar, the second oldest of a fleet of nine paddle steamers in Dresden. What makes the Diesbar unique is its coal fueled engine and single deck design. The John Penn and Sons engine that runs the steamer is the oldest operational marine steam engine in the world. It has been in operation for over 175 years.\u003C/span\u003E\u003C/span\u003E. It has been in operation for over 175 years.","title":"John Penn \u0026 Sons Oscillating Steam Engine","link":"","lat":51.052078,"lon":13.742977,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Johnstown_Incline\" title=\"ASME-Landmark:Johnstown Incline\"\u003EJohnstown Incline\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Johnstown incline is one of several si\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Johnstown incline is one of several similar inclines built in western Pennsylvania during the late 19th century. It was designed by Samuel Diescher (1839-1915) after the great flood of 1889, to provide an efficient means of transportation between Westmont and the Conemaugh Valley.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Johnstown incline is one of several similar inclines built in western Pennsylvania during the late 19th century. It was designed by Samuel Diescher (1839-1915) after the great flood of 1889, to provide an efficient means of transportation between Westmont and the Conemaugh Valley.\u003C/span\u003E\u003C/span\u003Ebetween Westmont and the Conemaugh Valley.","title":"Johnstown Incline","link":"","lat":40.325229,"lon":-78.916257,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Joining_of_the_Rails_-Transcontinental_RR,_1869\" title=\"ASCE-Landmark:Joining of the Rails -Transcontinental RR, 1869\"\u003EJoining of the Rails -Transcontinental RR, 1869\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EOn May 10, 1869, two railroads joined thei\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"On May 10, 1869, two railroads joined their rails to form the Transcontinental Railroad. The 1,776 miles over the mountains and deserts of the continent marked a turning point in American history by signaling the opening of the West and the emergence of a unified nation.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EOn May 10, 1869, two railroads joined their rails to form the Transcontinental Railroad. The 1,776 miles over the mountains and deserts of the continent marked a turning point in American history by signaling the opening of the West and the emergence of a unified nation.\u003C/span\u003E\u003C/span\u003Eest and the emergence of a unified nation.","title":"Joining of the Rails -Transcontinental RR, 1869","link":"","lat":41.61861111,"lon":-112.5475,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Joshua_Hendy_Iron_Works\" title=\"ASME-Landmark:Joshua Hendy Iron Works\"\u003EJoshua Hendy Iron Works\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Joshua Hendy Iron Works exemplified th\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Joshua Hendy Iron Works exemplified the adaptability required for industrial survival in a dynamic technical environment. It was a major western producer of mechanical equipment used in mining (especially large hydraulic machines), ship propulsion, irrigation, power generation, optical telescope mounts, and nuclear research.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Joshua Hendy Iron Works exemplified the adaptability required for industrial survival in a dynamic technical environment. It was a major western producer of mechanical equipment used in mining (especially large hydraulic machines), ship propulsion, irrigation, power generation, optical telescope mounts, and nuclear research.\u003C/span\u003E\u003C/span\u003Eal telescope mounts, and nuclear research.","title":"Joshua Hendy Iron Works","link":"","lat":37.377516,"lon":-122.025002,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Kamehameha_V_Post_Office_Building,_1871\" title=\"ASCE-Landmark:Kamehameha V Post Office Building, 1871\"\u003EKamehameha V Post Office Building, 1871\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Kamehameha V Post Office building is the oldest public building in the United States to incorporate structural elements of reinforced Portland cement concrete.","title":"Kamehameha V Post Office Building, 1871","link":"","lat":21.3,"lon":-157.8666667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Kansas_City_Park_and_Boulevard_System,_1915\" title=\"ASCE-Landmark:Kansas City Park and Boulevard System, 1915\"\u003EKansas City Park and Boulevard System, 1915\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Kansas City Park \u0026amp; Boulevard System, a pioneer project, was among the first to integrate the aesthetics of landscape architecture with the practicality of city planning, stimulating other metropolitan areas to undertake similar projects.","title":"Kansas City Park and Boulevard System, 1915","link":"","lat":39.09972222,"lon":-94.57833333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Kaplan_Turbine\" title=\"ASME-Landmark:Kaplan Turbine\"\u003EKaplan Turbine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EEarly 20th century technological developme\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Early 20th century technological development led the country to a new era of industrialization. Within the Susquehanna Valley of Pennsylvania new manufacturing facilities were under construction. The Conewago Falls, near the sixteen foot descent of the Susquehanna River, was chosen as the site of the newly-incorporated York Haven Water and Power Company.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EEarly 20th century technological development led the country to a new era of industrialization. Within the Susquehanna Valley of Pennsylvania new manufacturing facilities were under construction. The Conewago Falls, near the sixteen foot descent of the Susquehanna River, was chosen as the site of the newly-incorporated York Haven Water and Power Company.\u003C/span\u003E\u003C/span\u003Eorated York Haven Water and Power Company.","title":"Kaplan Turbine","link":"","lat":40.117265,"lon":-76.778201,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Kavanagh_Building,_1935\" title=\"ASCE-Landmark:Kavanagh Building, 1935\"\u003EKavanagh Building, 1935\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Kavanagh Building, 31-stories high and complete with central air conditioning and advanced technology, was one of the first reinforced concrete skyscrapers in the world when opened.","title":"Kavanagh Building, 1935","link":"","lat":-34.6,"lon":-58.4,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Kentucky_Dam,_1944\" title=\"ASCE-Landmark:Kentucky Dam, 1944\"\u003EKentucky Dam, 1944\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Kentucky Dam, at mile 22.4 on the Tennessee River, is the key structure in the Tennessee Valley Authority (TVA) system and continues to play an important role in the reduction of flood crests on the lower Ohio and Mississippi Rivers.","title":"Kentucky Dam, 1944","link":"","lat":37.01305556,"lon":-88.26916667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Keokuk_Dam_%26_Power_Plant_Project,_1913\" title=\"ASCE-Landmark:Keokuk Dam \u0026amp; Power Plant Project, 1913\"\u003EKeokuk Dam \u0026amp; Power Plant Project, 1913\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAt the time, the Keokuk Dam \u0026amp; Power Plant project incorporated the longest monolithic concrete dam in the world and was a pioneering effort in large-scale, low-head hydroelectric power.","title":"Keokuk Dam \u0026 Power Plant Project, 1913","link":"","lat":40.39888889,"lon":-91.36222222,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Kew_Bridge_Cornish_Beam_Engines\" title=\"ASME-Landmark:Kew Bridge Cornish Beam Engines\"\u003EKew Bridge Cornish Beam Engines\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe London Museum of Water and Steam is h\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The London Museum of Water and Steam is home to five beam engines, original to the site, which represent the progressive development of the Cornish-cycle steam engine for waterworks service from 1820 to 1869. The Cornish engine was developed to pump water from mines in the early 19th century and some of the finest examples were built for waterworks, like those at Kew Bridge. Cornish engines do not have rotating parts, such as a flywheel, but rather are controlled by piston movement and the opening and closing of valves. In simple terms, steam depresses the piston and raises the plunger and weight box, and on the return stroke, the plunger descends under gravity, displacing water into the main. During the period represented at the Kew Bridge museum, cylinder diameter increased from 65 to 100 inches.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe London Museum of Water and Steam is home to five beam engines, original to the site, which represent the progressive development of the Cornish-cycle steam engine for waterworks service from 1820 to 1869. The Cornish engine was developed to pump water from mines in the early 19th century and some of the finest examples were built for waterworks, like those at Kew Bridge. Cornish engines do not have rotating parts, such as a flywheel, but rather are controlled by piston movement and the opening and closing of valves. In simple terms, steam depresses the piston and raises the plunger and weight box, and on the return stroke, the plunger descends under gravity, displacing water into the main. During the period represented at the Kew Bridge museum, cylinder diameter increased from 65 to 100 inches.\u003C/span\u003E\u003C/span\u003E diameter increased from 65 to 100 inches.","title":"Kew Bridge Cornish Beam Engines","link":"","lat":51.488935,"lon":-0.290655,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:King%27s_Road,_1775\" title=\"ASCE-Landmark:King\u0026#039;s Road, 1775\"\u003EKing's Road, 1775\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe principal overland transportation link\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The principal overland transportation link between the former British Colony of St. Augustine and the 13 Colonies, the King\u2019s Road was originally 126 miles long. It was a remarkable engineering feat, passing through the swampy flatlands of coastal Florida and over rivers and streams.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe principal overland transportation link between the former British Colony of St. Augustine and the 13 Colonies, the King\u2019s Road was originally 126 miles long. It was a remarkable engineering feat, passing through the swampy flatlands of coastal Florida and over rivers and streams.\u003C/span\u003E\u003C/span\u003Eastal Florida and over rivers and streams.","title":"King's Road, 1775","link":"","lat":30.4019,"lon":-81.7651,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Kingsbury_Thrust_Bearing\" title=\"ASME-Landmark:Kingsbury Thrust Bearing\"\u003EKingsbury Thrust Bearing\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen he was a student in 1888, Albert King\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"When he was a student in 1888, Albert Kingsbury (1862-1944) first developed the principle of what would become the Kingsbury thrust bearing, in which the load is carried by a wedge-shaped oil film formed between the shaft thrust-collar and a series of stationary pivoted pads or segments, resulting in an extremely low coefficient of friction and negligible bearing wear.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EWhen he was a student in 1888, Albert Kingsbury (1862-1944) first developed the principle of what would become the Kingsbury thrust bearing, in which the load is carried by a wedge-shaped oil film formed between the shaft thrust-collar and a series of stationary pivoted pads or segments, resulting in an extremely low coefficient of friction and negligible bearing wear.\u003C/span\u003E\u003C/span\u003Et of friction and negligible bearing wear.","title":"Kingsbury Thrust Bearing","link":"","lat":39.839136,"lon":-76.319318,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Kinne_Water_Turbine_Collection\" title=\"ASME-Landmark:Kinne Water Turbine Collection\"\u003EKinne Water Turbine Collection\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Kinne Collection of Water Turbines, ow\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Kinne Collection of Water Turbines, owned by the Jefferson County Historical Society and displayed at their museum in Watertown, is believed to be the largest collection of its kind in the world. Assembled by engineer Clarence E. Kinne (1869-1950) between 1907 and 1937, the collection represents American turbine development from a time well before the invention of the \u0026quot;true\u0026quot; turbine to the evolution of the inward-flow reaction turbine used in more modern hydroelectric plants.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Kinne Collection of Water Turbines, owned by the Jefferson County Historical Society and displayed at their museum in Watertown, is believed to be the largest collection of its kind in the world. Assembled by engineer Clarence E. Kinne (1869-1950) between 1907 and 1937, the collection represents American turbine development from a time well before the invention of the \"true\" turbine to the evolution of the inward-flow reaction turbine used in more modern hydroelectric plants.\u003C/span\u003E\u003C/span\u003E used in more modern hydroelectric plants.","title":"Kinne Water Turbine Collection","link":"","lat":43.973449,"lon":-75.913033,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Kinzua_Railway_Viaduct,_1882\" title=\"ASCE-Landmark:Kinzua Railway Viaduct, 1882\"\u003EKinzua Railway Viaduct, 1882\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EConstructed in only 102 days, the Kinzua Railway Viaduct was by far the highest (302 feet) and the longest (2,053 feet) viaduct in the world at that time.","title":"Kinzua Railway Viaduct, 1882","link":"","lat":41.76111111,"lon":-78.58861111,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Knight_Foundry_and_Machine_Shop\" title=\"ASME-Landmark:Knight Foundry and Machine Shop\"\u003EKnight Foundry and Machine Shop\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EHistoric Knight Foundry, in Sutter Creek, \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Historic Knight Foundry, in Sutter Creek, California, is believed to be the only remaining water-powered foundry and machine shop in the United States. The foundry was established in 1873 by Samuel N. Knight (1838-1913), a former ship\u0026#039;s carpenter, was one of several inventors experimenting with impulse turbines to exploit the area\u0026#039;s abundant high-head water power for driving hoists, ore stamps, and other mining machinery. He patented an efficient water wheel that came to dominate the field prior to the introduction of the Pelton turbine in the mid-1880s. Knight turbines drive some of the machinery of the works.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EHistoric Knight Foundry, in Sutter Creek, California, is believed to be the only remaining water-powered foundry and machine shop in the United States. The foundry was established in 1873 by Samuel N. Knight (1838-1913), a former ship's carpenter, was one of several inventors experimenting with impulse turbines to exploit the area's abundant high-head water power for driving hoists, ore stamps, and other mining machinery. He patented an efficient water wheel that came to dominate the field prior to the introduction of the Pelton turbine in the mid-1880s. Knight turbines drive some of the machinery of the works.\u003C/span\u003E\u003C/span\u003E drive some of the machinery of the works.","title":"Knight Foundry and Machine Shop","link":"","lat":38.393579,"lon":-120.799986,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Lacey_V._Murrow_Bridge_and_Mount_Baker_Ridge_Tunnels,_1940\" title=\"ASCE-Landmark:Lacey V. Murrow Bridge and Mount Baker Ridge Tunnels, 1940\"\u003ELacey V. Murrow Bridge and Mount Baker Ridge Tunnels, 1940\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen completed in 1940, the Lacey V Murrow Bridge \u0026amp; Mt Baker Ridge Tunnels constituted the world\u2019s first reinforced concrete floating bridge \u2013 the largest floating structure ever built \u2013 and the largest diameter soft-earth tunnels.","title":"Lacey V. Murrow Bridge and Mount Baker Ridge Tunnels, 1940","link":"","lat":47.590278,"lon":-122.298611,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Lake_Moeris_Quarry_Road,_2500_-_2100_B.C.\" title=\"ASCE-Landmark:Lake Moeris Quarry Road, 2500 - 2100 B.C.\"\u003ELake Moeris Quarry Road, 2500 - 2100 B.C.\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Lake Moeris Quarry Road is recognized as the oldest surviving paved road in the world. Dating from the Old Kingdom period in Egypt, it transported basalt blocks from the quarry to a quay on the shores of ancient Lake Moeris.","title":"Lake Moeris Quarry Road, 2500 - 2100 B.C.","link":"","lat":29.66666667,"lon":30.65,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Lake_Pontchartrain_Causeway_bridge,_1956\" title=\"ASCE-Landmark:Lake Pontchartrain Causeway bridge, 1956\"\u003ELake Pontchartrain Causeway bridge, 1956\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn building the Lake Pontchartrain Causeway Bridge, which took just fourteen months, assembly-line, mass-production methods were utilized for the first time in the construction of a bridge.","title":"Lake Pontchartrain Causeway bridge, 1956","link":"","lat":30.19972222,"lon":-90.12277778,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Lake_Washington_Ship_Canal_%26_Hiram_M_Chittenden_Locks,_1917\" title=\"ASCE-Landmark:Lake Washington Ship Canal \u0026amp; Hiram M Chittenden Locks, 1917\"\u003ELake Washington Ship Canal \u0026amp; Hiram M Chittenden Locks, 1917\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Hiram M. Chittenden Locks, the largest and most heavily used locks on the West Coast, incorporated unique, parallel dual-sized lock chambers for water conservation and preventive measures to reduce salt water intrusion into Lake Washington.","title":"Lake Washington Ship Canal \u0026 Hiram M Chittenden Locks, 1917","link":"","lat":47.66555556,"lon":-122.3958333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Lawrence_Experimental_Station,_1886\" title=\"ASCE-Landmark:Lawrence Experimental Station, 1886\"\u003ELawrence Experimental Station, 1886\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Lawrence Experiment Station was a pion\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Lawrence Experiment Station was a pioneer engineering laboratory dedicated to research on the treatment of water supply, sewage and industrial waste and has been recognized nationally and internationally for contributions to the environmental engineering field.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Lawrence Experiment Station was a pioneer engineering laboratory dedicated to research on the treatment of water supply, sewage and industrial waste and has been recognized nationally and internationally for contributions to the environmental engineering field.\u003C/span\u003E\u003C/span\u003Ens to the environmental engineering field.","title":"Lawrence Experimental Station, 1886","link":"","lat":42.70694444,"lon":-71.16361111,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:LeTourneau_%22Mountain_Mover%22_Scraper\" title=\"ASME-Landmark:LeTourneau \u0026quot;Mountain Mover\u0026quot; Scraper\"\u003ELeTourneau \"Mountain Mover\" Scraper\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn June 1922, LeTourneau developed his \"Mo\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In June 1922, LeTourneau developed his \u0026quot;Mountain Mover\u0026quot; with a telescoping bowl. He incorporated a floor behind the cutting edge taken from his previous designs, and employed welding instead of riveting to save weight. Although only one \u0026quot;Mountain Mover\u0026quot; ever existed, all later LeTourneau scraper designs drew upon its innovative concepts. The original Mountain Mover, modified over the years, is an example of the innovative and pioneering mechanical engineering concepts developed by R.G. LeTourneau. This predecessor to modern equipment played a large role in opening up lands to farming and helped lead to the rapid and cost-effective construction of roads, highways and airports for decades after its introduction.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn June 1922, LeTourneau developed his \"Mountain Mover\" with a telescoping bowl. He incorporated a floor behind the cutting edge taken from his previous designs, and employed welding instead of riveting to save weight. Although only one \"Mountain Mover\" ever existed, all later LeTourneau scraper designs drew upon its innovative concepts. The original Mountain Mover, modified over the years, is an example of the innovative and pioneering mechanical engineering concepts developed by R.G. LeTourneau. This predecessor to modern equipment played a large role in opening up lands to farming and helped lead to the rapid and cost-effective construction of roads, highways and airports for decades after its introduction.\u003C/span\u003E\u003C/span\u003Erports for decades after its introduction.","title":"LeTourneau \"Mountain Mover\" Scraper","link":"","lat":32.466905,"lon":-94.730002,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Leavitt-Riedler_Pumping_Engine\" title=\"ASME-Landmark:Leavitt-Riedler Pumping Engine\"\u003ELeavitt-Riedler Pumping Engine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Chestnut Hill High-Service Pumping Sta\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Chestnut Hill High-Service Pumping Station of the Boston Water Works Corporation featured an unusual triple-expansion, three-crank rocker engine, which in its day was a high-capacity unit that provided outstanding performance. Designed by Erasmus Darwin Leavitt, Jr. (1836-1916), Engine No. 3 was installed in 1894 to the high-service pumping facility on the south side of the Chestnut Hill Reservoir in Brighton\u2014a necessary measure as demand increased as towns adjacent to old Boston were annexed into the city, creating a considerable number of elevated areas to which water had to be raised.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Chestnut Hill High-Service Pumping Station of the Boston Water Works Corporation featured an unusual triple-expansion, three-crank rocker engine, which in its day was a high-capacity unit that provided outstanding performance. Designed by Erasmus Darwin Leavitt, Jr. (1836-1916), Engine No. 3 was installed in 1894 to the high-service pumping facility on the south side of the Chestnut Hill Reservoir in Brighton\u2014a necessary measure as demand increased as towns adjacent to old Boston were annexed into the city, creating a considerable number of elevated areas to which water had to be raised.\u003C/span\u003E\u003C/span\u003Eted areas to which water had to be raised.","title":"Leavitt-Riedler Pumping Engine","link":"","lat":42.33172,"lon":-71.155549,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Link_C-3_Flight_Trainer\" title=\"ASME-Landmark:Link C-3 Flight Trainer\"\u003ELink C-3 Flight Trainer\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EDuring the 1920s, Edwin A. Link was employ\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"During the 1920s, Edwin A. Link was employed in his father\u0026#039;s organ building and repair business. He obtained his pilot\u0026#039;s license in 1927 and became convinced that a mechanical device could be built as an inexpensive method to teach basic piloting. Link received three patents on his flight trainer (No. 1,825,462, March 12, 1930; No. 2,244,464, June 3, 1941; and No. 2,358,016, Sept. 12, 1944).\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EDuring the 1920s, Edwin A. Link was employed in his father's organ building and repair business. He obtained his pilot's license in 1927 and became convinced that a mechanical device could be built as an inexpensive method to teach basic piloting. Link received three patents on his flight trainer (No. 1,825,462, March 12, 1930; No. 2,244,464, June 3, 1941; and No. 2,358,016, Sept. 12, 1944).\u003C/span\u003E\u003C/span\u003E 1941; and No. 2,358,016, Sept. 12, 1944).","title":"Link C-3 Flight Trainer","link":"","lat":42.09402,"lon":-75.918734,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Ljungstrom_Air_Preheater\" title=\"ASME-Landmark:Ljungstrom Air Preheater\"\u003ELjungstrom Air Preheater\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Ljungstrom air preheater is a regenera\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Ljungstrom air preheater is a regenerative heat exchanger, invented in the 1920s and soon used throughout the world. Dr. Fredrik Ljungstrom, then technical director at Aktiebolaget Ljunstrom Angturbin (ALA), invented it for preheating combustion air in boiler plants, but the use has expanded to include energy recovery in combination with the removal of oxides of sulfur and nitrogen.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Ljungstrom air preheater is a regenerative heat exchanger, invented in the 1920s and soon used throughout the world. Dr. Fredrik Ljungstrom, then technical director at Aktiebolaget Ljunstrom Angturbin (ALA), invented it for preheating combustion air in boiler plants, but the use has expanded to include energy recovery in combination with the removal of oxides of sulfur and nitrogen.\u003C/span\u003E\u003C/span\u003E removal of oxides of sulfur and nitrogen.","title":"Ljungstrom Air Preheater","link":"","lat":59.332527,"lon":18.118811,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Lombard_Steam_Log_Hauler\" title=\"ASME-Landmark:Lombard Steam Log Hauler\"\u003ELombard Steam Log Hauler\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ELumbering in Maine, which began along the \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Lumbering in Maine, which began along the coast with cutting pine for masts for the Kings Navy, was limited to the suitable timber growing near enough to the water to permit its transportation by oxen to water on which it could be floated to the ship\u2014so the type of tree was limited to those that would float. As a result of these limitations, there were at the turn of the century uncounted thousands of acres of fine maple, white and yellow birch, beech, and ash, which, with the equipment available, could not be gotten to any market.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003ELumbering in Maine, which began along the coast with cutting pine for masts for the Kings Navy, was limited to the suitable timber growing near enough to the water to permit its transportation by oxen to water on which it could be floated to the ship\u2014so the type of tree was limited to those that would float. As a result of these limitations, there were at the turn of the century uncounted thousands of acres of fine maple, white and yellow birch, beech, and ash, which, with the equipment available, could not be gotten to any market.\u003C/span\u003E\u003C/span\u003Eilable, could not be gotten to any market.","title":"Lombard Steam Log Hauler","link":"","lat":46.001297,"lon":-68.453566,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Lookout_Mountain_Incline_Railway\" title=\"ASME-Landmark:Lookout Mountain Incline Railway\"\u003ELookout Mountain Incline Railway\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EMore than 75,000 tourists a year were visi\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"More than 75,000 tourists a year were visiting Lookout Mountain when the Civil War interceded. Tourism was not enthusiastically revived again until the 1880s when, in bitter competition for the tourist trade, a narrow-gage incline was built in 1886 to reach the site of a new luxury hotel. In competition with this incline, another incline was built, called the Broad Gauge Railroad, by June 1889, which covered 15 miles from the downtown Union Railroad up to the top of the mountain, a trip of over an hour. But financial problems plagued the Broad Gauge\u2014and, in 1895, John T. Crass formed the Lookout Mountain Incline Railway Company, which built a short, fast incline up the steepest part of the mountain. Its success closed down the competitors by 1900, and continues uninterrupted today.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EMore than 75,000 tourists a year were visiting Lookout Mountain when the Civil War interceded. Tourism was not enthusiastically revived again until the 1880s when, in bitter competition for the tourist trade, a narrow-gage incline was built in 1886 to reach the site of a new luxury hotel. In competition with this incline, another incline was built, called the Broad Gauge Railroad, by June 1889, which covered 15 miles from the downtown Union Railroad up to the top of the mountain, a trip of over an hour. But financial problems plagued the Broad Gauge\u2014and, in 1895, John T. Crass formed the Lookout Mountain Incline Railway Company, which built a short, fast incline up the steepest part of the mountain. Its success closed down the competitors by 1900, and continues uninterrupted today.\u003C/span\u003E\u003C/span\u003Ey 1900, and continues uninterrupted today.","title":"Lookout Mountain Incline Railway","link":"","lat":35.006022,"lon":-85.343552,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Louisville_Waterworks,_1857-1912\" title=\"ASCE-Landmark:Louisville Waterworks, 1857-1912\"\u003ELouisville Waterworks, 1857-1912\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen constructed, the Louisville Waterworks demonstrated the practicality of rapid sand filtration on a municipal scale, and was a major milestone in American sanitary engineering.","title":"Louisville Waterworks, 1857-1912","link":"","lat":38.28055556,"lon":-85.70138889,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Louisville_and_Portland_Canal_Locks_%26_Dam,_1830\" title=\"ASCE-Landmark:Louisville and Portland Canal Locks \u0026amp; Dam, 1830\"\u003ELouisville and Portland Canal Locks \u0026amp; Dam, 1830\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe original Louisville \u0026amp; Portland Can\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The original Louisville \u0026amp; Portland Canal and Locks constructed at this site were responsible for permanently changing navigation on the Ohio River. These projects improved the transportation of people and goods towards St. Louis, New Orleans and points west and played an important role in the settlement and growth of the nation.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe original Louisville \u0026 Portland Canal and Locks constructed at this site were responsible for permanently changing navigation on the Ohio River. These projects improved the transportation of people and goods towards St. Louis, New Orleans and points west and played an important role in the settlement and growth of the nation.\u003C/span\u003E\u003C/span\u003Ele in the settlement and growth of the nation.","title":"Louisville and Portland Canal Locks \u0026 Dam, 1830","link":"","lat":38.2717,"lon":-85.7794,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Lowell_Power_Canal_System_and_Pawtucket_Gatehouse\" title=\"ASME-Landmark:Lowell Power Canal System and Pawtucket Gatehouse\"\u003ELowell Power Canal System and Pawtucket Gatehouse\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn 1792, shipbuilders and merchants from N\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In 1792, shipbuilders and merchants from Newburyport, Massachusetts, incorporated as the Proprietors of Locks and Canals on Merrimack River. This was one of the nation\u0026#039;s earliest corporations. It immediately began work on the Pawtucket Canal, which was completed in1796. This canal bypassed Pawtucket Falls and increased the flow of timber and agricultural products from New Hampshire to the sea\u2014but shipbuilding soon waned, and was replaced by textile mills.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn 1792, shipbuilders and merchants from Newburyport, Massachusetts, incorporated as the Proprietors of Locks and Canals on Merrimack River. This was one of the nation's earliest corporations. It immediately began work on the Pawtucket Canal, which was completed in\u0026lt;/br\u0026gt;1796. This canal bypassed Pawtucket Falls and increased the flow of timber and agricultural products from New Hampshire to the sea\u2014but shipbuilding soon waned, and was replaced by textile mills.\u003C/span\u003E\u003C/span\u003E waned, and was replaced by textile mills.","title":"Lowell Power Canal System and Pawtucket Gatehouse","link":"","lat":42.642769,"lon":-71.313539,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Lowell_Waterpower_System,_1823-1880\" title=\"ASCE-Landmark:Lowell Waterpower System, 1823-1880\"\u003ELowell Waterpower System, 1823-1880\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Lowell Waterpower System was a pioneer water development scheme consisting of a network of power canals with a highly sophisticated controlled and measured distribution system.","title":"Lowell Waterpower System, 1823-1880","link":"","lat":42.61666667,"lon":-71.35,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Machu_Picchu,_AD_1450-AD_1540\" title=\"ASCE-Landmark:Machu Picchu, AD 1450-AD 1540\"\u003EMachu Picchu, AD 1450-AD 1540\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EMachu Picchu was a masterpiece of site sel\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Machu Picchu was a masterpiece of site selection, city planning, and design and construction of trails, buildings, a water supply canal with many fountains, and agricultural terraces. The infrastructure illustrates the advanced civil, hydraulic, and geotechnical engineering capabilities of the Inca people.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EMachu Picchu was a masterpiece of site selection, city planning, and design and construction of trails, buildings, a water supply canal with many fountains, and agricultural terraces. The infrastructure illustrates the advanced civil, hydraulic, and geotechnical engineering capabilities of the Inca people.\u003C/span\u003E\u003C/span\u003Egineering capabilities of the Inca people.","title":"Machu Picchu, AD 1450-AD 1540","link":"","lat":-13.16333333,"lon":-72.54555556,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Mackinac_Bridge,_1957\" title=\"ASCE-Landmark:Mackinac Bridge, 1957\"\u003EMackinac Bridge, 1957\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ERepresenting a new level of aerodynamic stability in suspension bridges for its time, the Mackinac Bridge was the first suspension bridge to incorporate specific design features to manage the forces imposed on it by winds.","title":"Mackinac Bridge, 1957","link":"","lat":45.8166,"lon":-84.7277,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Magma_Copper_Mine_Air_Conditioning_System\" title=\"ASME-Landmark:Magma Copper Mine Air Conditioning System\"\u003EMagma Copper Mine Air Conditioning System\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Magma Copper Company Mine was notoriou\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Magma Copper Company Mine was notoriously hot, with a temperature increase of approximately 1\u00bd\u00b0F per 100 feet of depth and a rock temperature on the 2000-foot level of 109\u00b0F. At the time, the practice for cooling the mine had been to open up a level and let it stand for several years to cool off with ventilating fans; the 3200-foot level required about three years of cooling before it could be developed with any degree of efficiency. In early 1935, a crosscut on the 4000-foot level revealed a rock temperature of 140\u00b0F\u2014and an evident need for artificial means of cooling and air conditioning the lower levels of the mine.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Magma Copper Company Mine was notoriously hot, with a temperature increase of approximately 1\u00bd\u00b0F per 100 feet of depth and a rock temperature on the 2000-foot level of 109\u00b0F. At the time, the practice for cooling the mine had been to open up a level and let it stand for several years to cool off with ventilating fans; the 3200-foot level required about three years of cooling before it could be developed with any degree of efficiency. In early 1935, a crosscut on the 4000-foot level revealed a rock temperature of 140\u00b0F\u2014and an evident need for artificial means of cooling and air conditioning the lower levels of the mine.\u003C/span\u003E\u003C/span\u003Econditioning the lower levels of the mine.","title":"Magma Copper Mine Air Conditioning System","link":"","lat":33.299216,"lon":-111.099169,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Maine_Turnpike,_1947\" title=\"ASCE-Landmark:Maine Turnpike, 1947\"\u003EMaine Turnpike, 1947\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe first superhighway in New England and the second modern toll highway in the United States, the Maine Turnpike was the first major modern highway to be built without any state or federal funding.","title":"Maine Turnpike, 1947","link":"","lat":43.666667,"lon":-70.333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Manhattan_Bridge,_1909\" title=\"ASCE-Landmark:Manhattan Bridge, 1909\"\u003EManhattan Bridge, 1909\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EConsidered to be the first modern suspension bridge, the Manhattan Bridge was the earliest to use slender \"two dimensional\" steel towers with shallow stiffening trusses. The Manhattan Bridge was the world's third longest from 1909 to 1924.","title":"Manhattan Bridge, 1909","link":"","lat":40.75,"lon":-73.95,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Manitou_%26_Pike%27s_Peak_Cog_Railway\" title=\"ASME-Landmark:Manitou \u0026amp; Pike\u0026#039;s Peak Cog Railway\"\u003EManitou \u0026amp; Pike's Peak Cog Railway\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Manitou \u0026amp; Pike's Peak Railway, the\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Manitou \u0026amp; Pike\u0026#039;s Peak Railway, the Cog Road, is the highest railway in the United States and the highest rack railway in the world. Built by the Swiss Locomotive and Machine Works under Wilhelm Hildebrand, it has been in continuous (seasonal) operation since 1891.The railway has transported more than three million passengers to Pike\u0026#039;s Peak\u2014and without a single passenger casualty.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Manitou \u0026 Pike's Peak Railway, the Cog Road, is the highest railway in the United States and the highest rack railway in the world. Built by the Swiss Locomotive and Machine Works under Wilhelm Hildebrand, it has been in continuous (seasonal) operation since 1891.The railway has transported more than three million passengers to Pike's Peak\u2014and without a single passenger casualty.\u003C/span\u003E\u003C/span\u003E Peak\u2014and without a single passenger casualty.","title":"Manitou \u0026 Pike's Peak Cog Railway","link":"","lat":38.85607,"lon":-104.931279,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Marine-Type_Triple-Expansion,_Engine-Driven_Dynamo\" title=\"ASME-Landmark:Marine-Type Triple-Expansion, Engine-Driven Dynamo\"\u003EMarine-Type Triple-Expansion, Engine-Driven Dynamo\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe marine-type triple-expansion engine-dr\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The marine-type triple-expansion engine-driven dynamo, which began operation on December 15, 1891, for the New York Edison Illuminating Company, represents the beginning of large-scale electric power generation in the United States. The generator was designed by chief engineer John Van Vleck, David Joy (known in England for his valve gear), and S. F. Prest.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe marine-type triple-expansion engine-driven dynamo, which began operation on December 15, 1891, for the New York Edison Illuminating Company, represents the beginning of large-scale electric power generation in the United States. The generator was designed by chief engineer John Van Vleck, David Joy (known in England for his valve gear), and S. F. Prest.\u003C/span\u003E\u003C/span\u003Eland for his valve gear), and S. F. Prest.","title":"Marine-Type Triple-Expansion, Engine-Driven Dynamo","link":"","lat":42.303101,"lon":-83.233109,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Marlette_Lake_Water_System,_1873-1887\" title=\"ASCE-Landmark:Marlette Lake Water System, 1873-1887\"\u003EMarlette Lake Water System, 1873-1887\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Marlette Lake Water System was the first American system developed to overcome mountainous topography. Its inverted siphon, sustaining a head of over 1,700 feet, was the greatest in the world\u2014more than double the next highest","title":"Marlette Lake Water System, 1873-1887","link":"","lat":39.31027778,"lon":-119.6494444,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Marshall_Building,_1906\" title=\"ASCE-Landmark:Marshall Building, 1906\"\u003EMarshall Building, 1906\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Marshall Building\u2019s structure is the o\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Marshall Building\u2019s structure is the oldest extant example of the \u201cmushroom\u201d flat-slab system developed by reinforced concrete construction pioneer Claude A.P. Turner. The technique transformed the design and construction of reinforced concrete floors worldwide.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Marshall Building\u2019s structure is the oldest extant example of the \u201cmushroom\u201d flat-slab system developed by reinforced concrete construction pioneer Claude A.P. Turner. The technique transformed the design and construction of reinforced concrete floors worldwide.\u003C/span\u003E\u003C/span\u003En of reinforced concrete floors worldwide.","title":"Marshall Building, 1906","link":"","lat":43.03361111,"lon":-87.90888889,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Mason-Dixon_Line,_1763-1767\" title=\"ASCE-Landmark:Mason-Dixon Line, 1763-1767\"\u003EMason-Dixon Line, 1763-1767\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe world famous Mason-Dixon Line established the highest standards for engineered surveys in its delineation of the boundary lines between Delaware, Maryland, Pennsylvania and Virginia.","title":"Mason-Dixon Line, 1763-1767","link":"","lat":39.72171944,"lon":-80.12203889,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:McKinley_Climatic_Laboratory\" title=\"ASME-Landmark:McKinley Climatic Laboratory\"\u003EMcKinley Climatic Laboratory\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EDesigned and constructed in the early 1940\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Designed and constructed in the early 1940s, the McKinley Climatic Laboratory had an unequalled capacity to simulate a wide range of climatic conditions from arctic cold to jungle moisture. Data from tests of some three hundred different aircraft and over two thousand items of equipment has provided information vital to the performance, safety, and reliability of aircraft operating in extremes of weather.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EDesigned and constructed in the early 1940s, the McKinley Climatic Laboratory had an unequalled capacity to simulate a wide range of climatic conditions from arctic cold to jungle moisture. Data from tests of some three hundred different aircraft and over two thousand items of equipment has provided information vital to the performance, safety, and reliability of aircraft operating in extremes of weather.\u003C/span\u003E\u003C/span\u003Eaircraft operating in extremes of weather.","title":"McKinley Climatic Laboratory","link":"","lat":30.476232,"lon":-86.508236,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:McNeill_Street_Pumping_Station,_1887\" title=\"ASCE-Landmark:McNeill Street Pumping Station, 1887\"\u003EMcNeill Street Pumping Station, 1887\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe McNeill Street Pumping Station is a se\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The McNeill Street Pumping Station is a self-contained lesson in the history of municipal water system development. From high-volume pumping technology to water filtering and disinfection, the pumping station helped introduce or refine key technologies that were central to the evolution of America\u2019s urban water supply.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe McNeill Street Pumping Station is a self-contained lesson in the history of municipal water system development. From high-volume pumping technology to water filtering and disinfection, the pumping station helped introduce or refine key technologies that were central to the evolution of America\u2019s urban water supply.\u003C/span\u003E\u003C/span\u003Eevolution of America\u2019s urban water supply.","title":"McNeill Street Pumping Station, 1887","link":"","lat":32.51739167,"lon":-93.75699167,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Menai_Suspension_Bridge,_1826\" title=\"ASCE-Landmark:Menai Suspension Bridge, 1826\"\u003EMenai Suspension Bridge, 1826\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Menai Suspension Bridge was a major structure on the road connecting London with Holyhead and by sea to Ireland. The bridge had the world\u2019s longest span, which greatly advanced suspension bridge development","title":"Menai Suspension Bridge, 1826","link":"","lat":53.22013889,"lon":-4.163125,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Merrill_Wheel_Balancing_System\" title=\"ASME-Landmark:Merrill Wheel Balancing System\"\u003EMerrill Wheel Balancing System\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EMarcellus Merrill first implemented an ele\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Marcellus Merrill first implemented an electronic dynamic wheel-balancing system in 1945. Prior to the development of this system, automobile wheels had to be removed from the vehicle for static balancing (without rotating). Mr. Merrill came up with the idea of balancing the tire and wheel while they were still mounted on the car. To do this, with the wheel jacked off the ground he would spin the tire and wheel at high speed, and then analyze the resultant vibrations as the wheel coasted to lower speeds. The vibrations were monitored by an electronic pickup, which sat on the floor and was attached to the bumper of the car by a magnet on the end of a probe. The signal was used to trigger a stroboscopic light which made the wheel appear to stand still. This light identified the point at which the balance weight should be added. The signal also helped to establish the amount of weight to be added to effect a proper balance. If the wheel to be balanced were a front wheel, it was spun by a \u0026quot;spinner\u0026quot; which consisted of an electric motor with a large flat pulley which was pressed against the wheel. If a rear wheel were to be balanced, only one rear wheel was jacked up and it was spun with the automobile\u0026#039;s engine.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EMarcellus Merrill first implemented an electronic dynamic wheel-balancing system in 1945. Prior to the development of this system, automobile wheels had to be removed from the vehicle for static balancing (without rotating). Mr. Merrill came up with the idea of balancing the tire and wheel while they were still mounted on the car. To do this, with the wheel jacked off the ground he would spin the tire and wheel at high speed, and then analyze the resultant vibrations as the wheel coasted to lower speeds. The vibrations were monitored by an electronic pickup, which sat on the floor and was attached to the bumper of the car by a magnet on the end of a probe. The signal was used to trigger a stroboscopic light which made the wheel appear to stand still. This light identified the point at which the balance weight should be added. The signal also helped to establish the amount of weight to be added to effect a proper balance. If the wheel to be balanced were a front wheel, it was spun by a \"spinner\" which consisted of an electric motor with a large flat pulley which was pressed against the wheel. If a rear wheel were to be balanced, only one rear wheel was jacked up and it was spun with the automobile's engine.\u003C/span\u003E\u003C/span\u003E it was spun with the automobile's engine.","title":"Merrill Wheel Balancing System","link":"","lat":39.673634,"lon":-105.010541,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Meter-Type_Gas_Odorizer\" title=\"ASME-Landmark:Meter-Type Gas Odorizer\"\u003EMeter-Type Gas Odorizer\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe meter-type gas odorizer was developed \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The meter-type gas odorizer was developed in 1937, just a few months after 294 school children and adults died in a natural gas explosion in a New London, Texas, school on March 18, 1937. The Texas legislature responded by requiring natural gas to be odorized so that leaks would be apparent. By the end of World War II, natural gas had established a reputation as a safe fuel largely because of odorizers.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe meter-type gas odorizer was developed in 1937, just a few months after 294 school children and adults died in a natural gas explosion in a New London, Texas, school on March 18, 1937. The Texas legislature responded by requiring natural gas to be odorized so that leaks would be apparent. By the end of World War II, natural gas had established a reputation as a safe fuel largely because of odorizers.\u003C/span\u003E\u003C/span\u003E a safe fuel largely because of odorizers.","title":"Meter-Type Gas Odorizer","link":"","lat":32.944642,"lon":-96.825431,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Miami_Conservancy_District_,_1918_-_1922\" title=\"ASCE-Landmark:Miami Conservancy District , 1918 - 1922\"\u003EMiami Conservancy District , 1918 - 1922\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Miami Conservancy District project was\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Miami Conservancy District project was the first regionally coordinated flood control system in the United States that employed retention reservoirs for controlled release of floodwaters. Since its completion, the protected Miami Valley has not been damaged by flooding.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Miami Conservancy District project was the first regionally coordinated flood control system in the United States that employed retention reservoirs for controlled release of floodwaters. Since its completion, the protected Miami Valley has not been damaged by flooding.\u003C/span\u003E\u003C/span\u003Ei Valley has not been damaged by flooding.","title":"Miami Conservancy District , 1918 - 1922","link":"","lat":39.75944444,"lon":-84.19166667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Michigan-Lake_Superior_Power_Hydroelectric_Plant\" title=\"ASME-Landmark:Michigan-Lake Superior Power Hydroelectric Plant\"\u003EMichigan-Lake Superior Power Hydroelectric Plant\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen Francis H. Clergue and Hans von Schon\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"When Francis H. Clergue and Hans von Schon designed the Sault Ste. Marie Hydro-Plant, it was to be the largest in the world in terms of the volume of water passing through its penstocks, with a power house designed to contain more turbines and more generators than any contemporary plant. At the time, only the then-recently completed Niagara Falls Power House No. 1 matched the capacity of the Sault Ste. Marie Plant.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EWhen Francis H. Clergue and Hans von Schon designed the Sault Ste. Marie Hydro-Plant, it was to be the largest in the world in terms of the volume of water passing through its penstocks, with a power house designed to contain more turbines and more generators than any contemporary plant. At the time, only the then-recently completed Niagara Falls Power House No. 1 matched the capacity of the Sault Ste. Marie Plant.\u003C/span\u003E\u003C/span\u003Ehe capacity of the Sault Ste. Marie Plant.","title":"Michigan-Lake Superior Power Hydroelectric Plant","link":"","lat":46.49743,"lon":-84.33213,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Middlesex_Canal,_1803-1853\" title=\"ASCE-Landmark:Middlesex Canal, 1803-1853\"\u003EMiddlesex Canal, 1803-1853\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Middlesex Canal is one of the oldest man-made waterways in the United States. The canal served as a model for the later Erie Canal.","title":"Middlesex Canal, 1803-1853","link":"","lat":42.591,"lon":-71.2842,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Milam_High-Rise_Air_Conditioned_Building\" title=\"ASME-Landmark:Milam High-Rise Air Conditioned Building\"\u003EMilam High-Rise Air Conditioned Building\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Milam Building was the first high-rise\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Milam Building was the first high-rise air-conditioned office building in the United States. The air-conditioning design team was led by Willis H. Carrier, founder of the Carrier Engineering Corporation, in cooperation with architect George Willis, engineer M.L Diver, and contractor L.T. Wright and Company. The system provided 300 tons of refrigeration capacity with chilled water piped to air-handling fans serving all floors. The original unit has been updated and modernized since its installation.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Milam Building was the first high-rise air-conditioned office building in the United States. The air-conditioning design team was led by Willis H. Carrier, founder of the Carrier Engineering Corporation, in cooperation with architect George Willis, engineer M.L Diver, and contractor L.T. Wright and Company. The system provided 300 tons of refrigeration capacity with chilled water piped to air-handling fans serving all floors. The original unit has been updated and modernized since its installation.\u003C/span\u003E\u003C/span\u003Eted and modernized since its installation.","title":"Milam High-Rise Air Conditioned Building","link":"","lat":29.427721,"lon":-98.492956,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Milwaukee_Metropolitan_Sewage_Treatment_Plant,_1919_-_1925\" title=\"ASCE-Landmark:Milwaukee Metropolitan Sewage Treatment Plant, 1919 - 1925\"\u003EMilwaukee Metropolitan Sewage Treatment Plant, 1919 - 1925\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Milwaukee Metropolitan Sewage Treatment Plant is America\u2019s earliest large-scale activated sludge type municipal sewage treatment plant \u2013 a major improvement on contemporary methods.","title":"Milwaukee Metropolitan Sewage Treatment Plant, 1919 - 1925","link":"","lat":43.0179,"lon":-87.8986,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Milwaukee_River_Flushing_Station\" title=\"ASME-Landmark:Milwaukee River Flushing Station\"\u003EMilwaukee River Flushing Station\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EEdwin Reynolds (1831-1909) designed a scre\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Edwin Reynolds (1831-1909) designed a screw pump for the Milwaukee River Flushing Station that successfully poured more than 500 million gallons of water every 24 hours from Lake Michigan into the Milwaukee River by means of an underground tunnel. The water pump was built by the Edward P. Allis company and, at the time of its installation, was the largest in the world.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EEdwin Reynolds (1831-1909) designed a screw pump for the Milwaukee River Flushing Station that successfully poured more than 500 million gallons of water every 24 hours from Lake Michigan into the Milwaukee River by means of an underground tunnel. The water pump was built by the Edward P. Allis company and, at the time of its installation, was the largest in the world.\u003C/span\u003E\u003C/span\u003Enstallation, was the largest in the world.","title":"Milwaukee River Flushing Station","link":"","lat":43.031963,"lon":-87.914618,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Minot%27s_Ledge_Lighthouse,_1855-1860\" title=\"ASCE-Landmark:Minot\u0026#039;s Ledge Lighthouse, 1855-1860\"\u003EMinot's Ledge Lighthouse, 1855-1860\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Minot\u2019s Ledge Lighthouse successfully served mariners for over 116 years. It was internationally recognized as an outstanding achievement in the civil engineering design and construction of structures that can resist open-sea wave forces.","title":"Minot's Ledge Lighthouse, 1855-1860","link":"","lat":42.24166667,"lon":-70.80416667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Missouri_River_Bridges,_1920_-_1927\" title=\"ASCE-Landmark:Missouri River Bridges, 1920 - 1927\"\u003EMissouri River Bridges, 1920 - 1927\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThese Missouri River bridges were the first bridges to be built to provide permanent crossings for automobile traffic and thereby improve inter- and intra-state commerce.","title":"Missouri River Bridges, 1920 - 1927","link":"","lat":43.81666667,"lon":-99.33333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Model_T\" title=\"ASME-Landmark:Model T\"\u003EModel T\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen Ford Motor Company introduced its new\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"When Ford Motor Company introduced its new Model T on October 1, 1908, it kicked off vast changes throughout American society. The assembly line became the century\u0026#039;s characteristic production mode, eventually applied to everything from phonographs to hamburgers. High-wage, low-skilled factory jobs accelerated both immigration from overseas and the movement of Americans from the farms to the cities and into an ever-expanding middle class. And the creation of huge numbers of low-skilled workers also gave rise in the 1930s to industrial unionism as a potent social and political force.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EWhen Ford Motor Company introduced its new Model T on October 1, 1908, it kicked off vast changes throughout American society. The assembly line became the century's characteristic production mode, eventually applied to everything from phonographs to hamburgers. High-wage, low-skilled factory jobs accelerated both immigration from overseas and the movement of Americans from the farms to the cities and into an ever-expanding middle class. And the creation of huge numbers of low-skilled workers also gave rise in the 1930s to industrial unionism as a potent social and political force.\u003C/span\u003E\u003C/span\u003Esm as a potent social and political force.","title":"Model T","link":"","lat":42.303101,"lon":-83.233109,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Moffat_Tunnel,_1927\" title=\"ASCE-Landmark:Moffat Tunnel, 1927\"\u003EMoffat Tunnel, 1927\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe 6.2 mile Moffat Tunnel in the Rocky Mo\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The 6.2 mile Moffat Tunnel in the Rocky Mountains was not only the largest railroad tunnel in the Western Hemisphere when completed, but it also demonstrated new tunnel construction techniques and the innovative concept of using its pilot bore later as a permanent aqueduct.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe 6.2 mile Moffat Tunnel in the Rocky Mountains was not only the largest railroad tunnel in the Western Hemisphere when completed, but it also demonstrated new tunnel construction techniques and the innovative concept of using its pilot bore later as a permanent aqueduct.\u003C/span\u003E\u003C/span\u003E pilot bore later as a permanent aqueduct.","title":"Moffat Tunnel, 1927","link":"","lat":39.90222222,"lon":-105.6461111,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Monongahela_Incline\" title=\"ASME-Landmark:Monongahela Incline\"\u003EMonongahela Incline\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAs a practical conveyance during the horse\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"As a practical conveyance during the horse-and-buggy era, the Monongahela Incline was one of seventeen built and operated in Pittsburgh in the 19th century. Of the seventeen, the Monongahela and the Duquesne (landmark #27) are the only two remaining operating units.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EAs a practical conveyance during the horse-and-buggy era, the Monongahela Incline was one of seventeen built and operated in Pittsburgh in the 19th century. Of the seventeen, the Monongahela and the Duquesne (landmark #27) are the only two remaining operating units.\u003C/span\u003E\u003C/span\u003Ere the only two remaining operating units.","title":"Monongahela Incline","link":"","lat":40.431944,"lon":-80.005556,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Montgomery_Bell%27s_Tunnel,_1818\" title=\"ASCE-Landmark:Montgomery Bell\u0026#039;s Tunnel, 1818\"\u003EMontgomery Bell's Tunnel, 1818\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAs the earliest known rock tunnel of significant size in the United States, the Montgomery Bell\u2019s Tunnel served as a guide to early American civil engineers and thus can be said to be the precursor to later American tunneling accomplishments.","title":"Montgomery Bell's Tunnel, 1818","link":"","lat":36.14683333,"lon":-87.12205556,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Montgomery_Glider\" title=\"ASME-Landmark:Montgomery Glider\"\u003EMontgomery Glider\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn 1883, at his family's ranch at Fruitlan\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In 1883, at his family\u0026#039;s ranch at Fruitland in Otay Valley, California, John Montgomery (1858 - 1911) observed the natural airfoil shape of birds\u0026#039; wings and incorporated that shape into the development of the Montgomery glider\u2014the first heavier-than-air-human-carrying aircraft to achieve controlled piloted flight. He designed a parabolic wing section with more curvature toward the front of the wing, giving it a gull-like wing shape and high lift. Montgomery also created the glider\u0026#039;s stabilizing and control surfaces at the rear of the fuselage. On his first successful flight, August 28, 1883, John Montgomery soared at about 600 feet.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn 1883, at his family's ranch at Fruitland in Otay Valley, California, John Montgomery (1858 - 1911) observed the natural airfoil shape of birds' wings and incorporated that shape into the development of the Montgomery glider\u2014the first heavier-than-air-human-carrying aircraft to achieve controlled piloted flight. He designed a parabolic wing section with more curvature toward the front of the wing, giving it a gull-like wing shape and high lift. Montgomery also created the glider's stabilizing and control surfaces at the rear of the fuselage. On his first successful flight, August 28, 1883, John Montgomery soared at about 600 feet.\u003C/span\u003E\u003C/span\u003E John Montgomery soared at about 600 feet.","title":"Montgomery Glider","link":"","lat":37.512709,"lon":-122.25303,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Morison%27s_Memphis_Bridge,_1892\" title=\"ASCE-Landmark:Morison\u0026#039;s Memphis Bridge, 1892\"\u003EMorison's Memphis Bridge, 1892\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Memphis Bridge, a cantilever truss designed by George S. Morison, was built entirely of the then-newly developed basic open hearth steel. When completed, its 790-foot main span was the longest railroad truss in North America.","title":"Morison's Memphis Bridge, 1892","link":"","lat":35.12861111,"lon":-90.07638889,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Mormon_Tabernacle,_1867\" title=\"ASCE-Landmark:Mormon Tabernacle, 1867\"\u003EMormon Tabernacle, 1867\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWith 150-foot wooden lattice arches, the d\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"With 150-foot wooden lattice arches, the design and construction of the roof of the Mormon Tabernacle was an engineering challenge. Stone and lumber building materials were obtained from surrounding mountains since metal building components from the industrialized East were not available.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EWith 150-foot wooden lattice arches, the design and construction of the roof of the Mormon Tabernacle was an engineering challenge. Stone and lumber building materials were obtained from surrounding mountains since metal building components from the industrialized East were not available.\u003C/span\u003E\u003C/span\u003Ehe industrialized East were not available.","title":"Mormon Tabernacle, 1867","link":"","lat":40.7704,"lon":-111.893,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Morris_Canal_(Reaction)_Turbine\" title=\"ASME-Landmark:Morris Canal (Reaction) Turbine\"\u003EMorris Canal (Reaction) Turbine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Morris Canal was designed to link the \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Morris Canal was designed to link the coal-rich Pennsylvania Lehigh Valley with the manufacturing towns of eastern New Jersey and New York, linking the Passaic and the Delaware rivers\u2014but the 109.26 miles of canal through the Highlands, the Appalachian range, and the Kittatiny mountains required extensive locks and incline planes.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Morris Canal was designed to link the coal-rich Pennsylvania Lehigh Valley with the manufacturing towns of eastern New Jersey and New York, linking the Passaic and the Delaware rivers\u2014but the 109.26 miles of canal through the Highlands, the Appalachian range, and the Kittatiny mountains required extensive locks and incline planes.\u003C/span\u003E\u003C/span\u003Equired extensive locks and incline planes.","title":"Morris Canal (Reaction) Turbine","link":"","lat":40.694869,"lon":-75.136297,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Moseley_Wrought_Iron_Arch_Bridge,_1864\" title=\"ASCE-Landmark:Moseley Wrought Iron Arch Bridge, 1864\"\u003EMoseley Wrought Iron Arch Bridge, 1864\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EDesigned and patented in 1857 by Thomas Moseley, the Wrought Iron Arch Bridge incorporated for the first time in the United States the use of riveted wrought iron plates for the bridge\u2019s triangular-shaped top chord.","title":"Moseley Wrought Iron Arch Bridge, 1864","link":"","lat":42.66905556,"lon":-71.12255556,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Mount_Washington_Cog_Railway\" title=\"ASME-Landmark:Mount Washington Cog Railway\"\u003EMount Washington Cog Railway\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EMount Washington, rising 6,288 feet above \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Mount Washington, rising 6,288 feet above sea level in the mountainous north country of New Hampshire, is the highest peak in the Northeast. The world\u0026#039;s first cog railway ascends almost 3,600 feet along a western spur of the mountain between Burt and Ammonoosuc Ravines from the Marshfield Base Station.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EMount Washington, rising 6,288 feet above sea level in the mountainous north country of New Hampshire, is the highest peak in the Northeast. The world's first cog railway ascends almost 3,600 feet along a western spur of the mountain between Burt and Ammonoosuc Ravines from the Marshfield Base Station.\u003C/span\u003E\u003C/span\u003E Ravines from the Marshfield Base Station.","title":"Mount Washington Cog Railway","link":"","lat":44.269735,"lon":-71.350965,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Mount_Washington_Cog_Railway,_1869\" title=\"ASCE-Landmark:Mount Washington Cog Railway, 1869\"\u003EMount Washington Cog Railway, 1869\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen completed, the Mt. Washington Cog Railway was the first mountain climbing railway in the world. Its cog rail system allows the railway to overcome grades exceeding 37 percent.","title":"Mount Washington Cog Railway, 1869","link":"","lat":44.27388889,"lon":-71.33138889,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Mount_Wilson_Observatory,_100-Inch_Hooker_Telescope\" title=\"ASME-Landmark:Mount Wilson Observatory, 100-Inch Hooker Telescope\"\u003EMount Wilson Observatory, 100-Inch Hooker Telescope\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Mount Wilson Observatory was founded i\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Mount Wilson Observatory was founded in 1904 by the Carnegie Institution of Washington, a private foundation for scientific research supported largely from endowments provided by Andrew Carnegie. Within a few years, the Observatory became the world center of research in the new science of astrophysics, or the application of principles of physics to astronomical objects beyond the sun.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Mount Wilson Observatory was founded in 1904 by the Carnegie Institution of Washington, a private foundation for scientific research supported largely from endowments provided by Andrew Carnegie. Within a few years, the Observatory became the world center of research in the new science of astrophysics, or the application of principles of physics to astronomical objects beyond the sun.\u003C/span\u003E\u003C/span\u003Ecs to astronomical objects beyond the sun.","title":"Mount Wilson Observatory, 100-Inch Hooker Telescope","link":"","lat":34.225285,"lon":-118.057287,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Mr._Charlie_Oil_Drilling_Rig\" title=\"ASME-Landmark:Mr. Charlie Oil Drilling Rig\"\u003EMr. Charlie Oil Drilling Rig\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EDesigned by Alden \"Doc\" Laborde, Mr. Charlie is the first offshore drilling rig that was fully transportable, submersible, and self-sufficient, allowing it to drill more than 200 oil and gas wells along the Gulf Coast between 1954 and 1986.","title":"Mr. Charlie Oil Drilling Rig","link":"","lat":29.69191,"lon":-91.208272,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Mullan_Road,_1860\" title=\"ASCE-Landmark:Mullan Road, 1860\"\u003EMullan Road, 1860\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Mullan Road was surveyed between 1853 and 1854 and constructed between 1858 and 1862. It was the first major engineered highway in the Pacific Northwest.","title":"Mullan Road, 1860","link":"","lat":46.76897222,"lon":-118.2062778,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Multi-Zone_Automatic_Temperature_Control_System\" title=\"ASME-Landmark:Multi-Zone Automatic Temperature Control System\"\u003EMulti-Zone Automatic Temperature Control System\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWarren S. Johnson came up with the idea fo\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Warren S. Johnson came up with the idea for automatic temperature control while teaching at Normal School in Whitewater, Wisconsin in the 1880s. Originally, janitors would have to enter each classroom to determine if it was too hot or cold and then adjust the dampers in the basement accordingly. Johnson sought a way to end, or at least minimize, the classroom interruptions of the janitors and increase the comfort level of the students. The Automatic Temperature Control System would do just that.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EWarren S. Johnson came up with the idea for automatic temperature control while teaching at Normal School in Whitewater, Wisconsin in the 1880s. Originally, janitors would have to enter each classroom to determine if it was too hot or cold and then adjust the dampers in the basement accordingly. Johnson sought a way to end, or at least minimize, the classroom interruptions of the janitors and increase the comfort level of the students. The Automatic Temperature Control System would do just that.\u003C/span\u003E\u003C/span\u003Eerature Control System would do just that.","title":"Multi-Zone Automatic Temperature Control System","link":"","lat":43.037033,"lon":-87.90449,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Muskingum_River_Navigation_System,_1841\" title=\"ASCE-Landmark:Muskingum River Navigation System, 1841\"\u003EMuskingum River Navigation System, 1841\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Muskingum River Navigation System, one\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Muskingum River Navigation System, one of the United States\u2019 first complete slackwater navigation systems for steam powered vessels, played a key role in economic development of the Greater Ohio River Valley. The project survives as the most intact system of large hand-operated locks in the United States.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Muskingum River Navigation System, one of the United States\u2019 first complete slackwater navigation systems for steam powered vessels, played a key role in economic development of the Greater Ohio River Valley. The project survives as the most intact system of large hand-operated locks in the United States.\u003C/span\u003E\u003C/span\u003E hand-operated locks in the United States.","title":"Muskingum River Navigation System, 1841","link":"","lat":39.95,"lon":-82.03333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:N.S._Savannah\" title=\"ASME-Landmark:N.S. Savannah\"\u003EN.S. Savannah\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EOn April 25, 1955, President Dwight D. Eis\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"On April 25, 1955, President Dwight D. Eisenhower announced plans for a nuclear powered merchant ship. The ship was designed by George G. Sharp, Inc. of New York and was built by the New York Shipbuilding Corporation of Camden, New Jersey. The Babcock and Wilcox Company as prime contractor for the power plant designed and built the 74 maximum power thermal megawatt pressurized water reactor.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EOn April 25, 1955, President Dwight D. Eisenhower announced plans for a nuclear powered merchant ship. The ship was designed by George G. Sharp, Inc. of New York and was built by the New York Shipbuilding Corporation of Camden, New Jersey. The Babcock and Wilcox Company as prime contractor for the power plant designed and built the 74 maximum power thermal megawatt pressurized water reactor.\u003C/span\u003E\u003C/span\u003Ehermal megawatt pressurized water reactor.","title":"N.S. Savannah","link":"","lat":39.259993,"lon":-76.555655,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Nassawango_Iron_Furnace\" title=\"ASME-Landmark:Nassawango Iron Furnace\"\u003ENassawango Iron Furnace\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Nassawango iron furnace, built in 1828\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Nassawango iron furnace, built in 1828, was one of hundreds of furnaces that thrived and failed in the 19th century. The Maryland Iron Company (incorporated 1828) built this furnace along the Nassawango Creek roughly four miles northwest of the Pocomoke River to produce pig iron by the cold-blast process. In 1836-1837, the furnace changed ownership several times, until Thomas Spence of Worcester County purchased it and began producing pig iron at a rate of 700 tons a year. Spence is credited with the installation of the hot-blast stove in 1835. Iron was produced at Nassawango until 1847, when labor shortages and poor market conditions forced Spence to shut down the furnace. Lying idle and becoming overgrown, the furnace property was eventually donated in 1962 to the Worcester County Historical Society.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Nassawango iron furnace, built in 1828, was one of hundreds of furnaces that thrived and failed in the 19th century. The Maryland Iron Company (incorporated 1828) built this furnace along the Nassawango Creek roughly four miles northwest of the Pocomoke River to produce pig iron by the cold-blast process. In 1836-1837, the furnace changed ownership several times, until Thomas Spence of Worcester County purchased it and began producing pig iron at a rate of 700 tons a year. Spence is credited with the installation of the hot-blast stove in 1835. Iron was produced at Nassawango until 1847, when labor shortages and poor market conditions forced Spence to shut down the furnace. Lying idle and becoming overgrown, the furnace property was eventually donated in 1962 to the Worcester County Historical Society.\u003C/span\u003E\u003C/span\u003Eo the Worcester County Historical Society.","title":"Nassawango Iron Furnace","link":"","lat":38.204128,"lon":-75.470617,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:National_Road,_1811-1839\" title=\"ASCE-Landmark:National Road, 1811-1839\"\u003ENational Road, 1811-1839\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe National Road was the precursor of today\u2019s federal interstate system and represented the highest standards of road design and construction of the time.","title":"National Road, 1811-1839","link":"","lat":38.968056,"lon":-89.101944,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:National_Soil_Dynamics_Laboratory\" title=\"ASME-Landmark:National Soil Dynamics Laboratory\"\u003ENational Soil Dynamics Laboratory\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe National Soil Dynamics Laboratory was \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The National Soil Dynamics Laboratory was the world\u0026#039;s first full-size laboratory for controlled studies of the relationships between tillage tools and traction equipment, and various types of soils. Conceived by Mark L. Nichols and John W. Randolph, the facility incorporates their work begun in 1922 to establish soil dynamics as field of study. Research performed here has influenced the design of almost all modern agricultural equipment. Built in 1935 for research related to cotton production, the laboratory soon expanded its traction and transport research to include all types of machinery and the effects of machinery design on soil compaction, conservation, and plant growth.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe National Soil Dynamics Laboratory was the world's first full-size laboratory for controlled studies of the relationships between tillage tools and traction equipment, and various types of soils. Conceived by Mark L. Nichols and John W. Randolph, the facility incorporates their work begun in 1922 to establish soil dynamics as field of study. Research performed here has influenced the design of almost all modern agricultural equipment. Built in 1935 for research related to cotton production, the laboratory soon expanded its traction and transport research to include all types of machinery and the effects of machinery design on soil compaction, conservation, and plant growth.\u003C/span\u003E\u003C/span\u003Eompaction, conservation, and plant growth.","title":"National Soil Dynamics Laboratory","link":"","lat":32.596988,"lon":-85.490321,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Navajo_Bridge,_1929\" title=\"ASCE-Landmark:Navajo Bridge, 1929\"\u003ENavajo Bridge, 1929\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAt the time of its construction, the Navajo Bridge was the highest steel arch bridge in the United States, and for the next 66 years it served as the only crossing of the Colorado River for 600 miles.","title":"Navajo Bridge, 1929","link":"","lat":36.81722222,"lon":-111.6313889,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Naval_Drydocks_at_Boston_and_Norfolk,_1834\" title=\"ASCE-Landmark:Naval Drydocks at Boston and Norfolk, 1834\"\u003ENaval Drydocks at Boston and Norfolk, 1834\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Charlestown Naval Dry Dock, Boston, Massachusetts and the Gosport Naval Dry Dock, Norfolk, Virginia, are two of the earliest major structures of their type in the United States and served the U.S. Navy well for over a century","title":"Naval Drydocks at Boston and Norfolk, 1834","link":"","lat":36.820556,"lon":-76.293056,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Neuch%C3%A2tel_Gas_Turbine\" title=\"ASME-Landmark:Neuch\u00e2tel Gas Turbine\"\u003ENeuch\u00e2tel Gas Turbine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe first successful electric power-generating machine to go into commercial operation was designed and constructed by A. B. Brown Boveri in Baden, Switzerland, and installed in 1939 in the municipal power station in Neuch\u00e2tel, Switzerland.","title":"Neuch\u00e2tel Gas Turbine","link":"","lat":47.435571,"lon":8.214502,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:New_Castle_Ice_Harbor,_1795\" title=\"ASCE-Landmark:New Castle Ice Harbor, 1795\"\u003ENew Castle Ice Harbor, 1795\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBecause of the peril of ice crushing the w\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Because of the peril of ice crushing the wooden hulls of ships using the Philadelphia area harbors, a special protected harbor, the New Castle Ice Harbor, was authorized by the state of Delaware, and three piers were built. These innovative harbor structures were prototypes for others.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EBecause of the peril of ice crushing the wooden hulls of ships using the Philadelphia area harbors, a special protected harbor, the New Castle Ice Harbor, was authorized by the state of Delaware, and three piers were built. These innovative harbor structures were prototypes for others.\u003C/span\u003E\u003C/span\u003Ebor structures were prototypes for others.","title":"New Castle Ice Harbor, 1795","link":"","lat":39.66666667,"lon":-75.566667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:New_England_Wireless_and_Steam_Museum\" title=\"ASME-Landmark:New England Wireless and Steam Museum\"\u003ENew England Wireless and Steam Museum\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe New England Wireless and Steam Museum,\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The New England Wireless and Steam Museum, established in 1964, contains the finest collection of Rhode Island engines, including one of the few known surviving engines built at the Corliss Works. There are several huge, complex engines and both vertical and horizontal engines in working order. These engines drove such facilities as wood-working shops, printing presses, pumps, and electric generators. There are also hot air and steam launch engines, models, a triple expansion marine engine, Stanley Steamer engines, a Colt Arms engine, and the oldest surviving Terry turbine.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe New England Wireless and Steam Museum, established in 1964, contains the finest collection of Rhode Island engines, including one of the few known surviving engines built at the Corliss Works. There are several huge, complex engines and both vertical and horizontal engines in working order. These engines drove such facilities as wood-working shops, printing presses, pumps, and electric generators. There are also hot air and steam launch engines, models, a triple expansion marine engine, Stanley Steamer engines, a Colt Arms engine, and the oldest surviving Terry turbine.\u003C/span\u003E\u003C/span\u003Ee, and the oldest surviving Terry turbine.","title":"New England Wireless and Steam Museum","link":"","lat":41.624278,"lon":-71.513029,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Newark_Airport,_1928\" title=\"ASCE-Landmark:Newark Airport, 1928\"\u003ENewark Airport, 1928\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Newark Airport, a pioneering major airport with its 1,600-foot runway, was one of the first hard surfaced runways to be constructed at any municipal airport in the United States and, as such, it served as prototype for today\u2019s modern airport runways.","title":"Newark Airport, 1928","link":"","lat":40.6925,"lon":-74.16861111,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Newcomen_Engine\" title=\"ASME-Landmark:Newcomen Engine\"\u003ENewcomen Engine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn 1712, Thomas Newcomen and his assistant\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In 1712, Thomas Newcomen and his assistant John Calley built the first \u0026quot;Newcomen engine,\u0026quot; or \u0026quot;fire engine,\u0026quot; which employed a vacuum created by condensing steam from a pressure just above atmospheric. The Newcomen Memorial Engine, preserved in Dartmouth, is a small 22-inch diameter cylinder engine that is a direct descendant of Newcomen\u0026#039;s first machine.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn 1712, Thomas Newcomen and his assistant John Calley built the first \"Newcomen engine,\" or \"fire engine,\" which employed a vacuum created by condensing steam from a pressure just above atmospheric. The Newcomen Memorial Engine, preserved in Dartmouth, is a small 22-inch diameter cylinder engine that is a direct descendant of Newcomen's first machine.\u003C/span\u003E\u003C/span\u003Ect descendant of Newcomen's first machine.","title":"Newcomen Engine","link":"","lat":50.35224,"lon":-3.57846,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Newell_Shredder\" title=\"ASME-Landmark:Newell Shredder\"\u003ENewell Shredder\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe shredder machine designed by Alton S. \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The shredder machine designed by Alton S. Newell in 1969 efficiently reduced automobile bodies into scrap metal for recycling. An automobile\u0026#039;s body was fed into the shredder at a controlled rate, and rotating hammers, driven by a 500-hp motor, shredded it into small pieces that were easily shipped. The process took about 10 minutes a car and used less energy than other shredding and crushing machines.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe shredder machine designed by Alton S. Newell in 1969 efficiently reduced automobile bodies into scrap metal for recycling. An automobile's body was fed into the shredder at a controlled rate, and rotating hammers, driven by a 500-hp motor, shredded it into small pieces that were easily shipped. The process took about 10 minutes a car and used less energy than other shredding and crushing machines.\u003C/span\u003E\u003C/span\u003Ehan other shredding and crushing machines.","title":"Newell Shredder","link":"","lat":33.669175,"lon":-84.432893,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Norfolk_%26_Western\" title=\"ASME-Landmark:Norfolk \u0026amp; Western\"\u003ENorfolk \u0026amp; Western\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe 611 is the sole survivor of fourteen class \"J\" steam locomotives designed by Norfolk and Western (N\u0026amp;W) Railway mechanical engineers in 1940. These locomotives were built in the N\u0026amp;W Roanoke, Virginia shops between 1941 and 1950.","title":"Norfolk \u0026 Western","link":"","lat":37.272925,"lon":-79.945892,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Noria_al-Muhammadiyya\" title=\"ASME-Landmark:Noria al-Muhammadiyya\"\u003ENoria al-Muhammadiyya\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAlthough Hama is home to seventeen norias\u2014\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Although Hama is home to seventeen norias\u2014that is, water wheels that raise water from a stream or river and discharge it at a higher elevation\u2014the Noria al-Muhammadiyya, built in 1361 CE, is the most famous due to its unique size and longevity. At 21 meters (69 feet) in diameter, the Noria al-Muhammadiyya greatly outsizes the typical waterwheel size of 2 to 3 meters (7 to 9 feet) and is among the largest water wheels ever constructed. And despite its more than six centuries of age, the Noria al-Muhammadiyya is still in service today thanks to its 1977 restoration.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EAlthough Hama is home to seventeen norias\u2014that is, water wheels that raise water from a stream or river and discharge it at a higher elevation\u2014the Noria al-Muhammadiyya, built in 1361 CE, is the most famous due to its unique size and longevity. At 21 meters (69 feet) in diameter, the Noria al-Muhammadiyya greatly outsizes the typical waterwheel size of 2 to 3 meters (7 to 9 feet) and is among the largest water wheels ever constructed. And despite its more than six centuries of age, the Noria al-Muhammadiyya is still in service today thanks to its 1977 restoration.\u003C/span\u003E\u003C/span\u003Evice today thanks to its 1977 restoration.","title":"Noria al-Muhammadiyya","link":"","lat":35.135215,"lon":36.753402,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Norris_Dam,_1936\" title=\"ASCE-Landmark:Norris Dam, 1936\"\u003ENorris Dam, 1936\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Norris Dam was the first of a series o\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Norris Dam was the first of a series of dams designed and built to put the vast water resources of the Tennessee River System to work for the people of the region. The completion of the dam was a significant step in turning the destructive power of the Tennessee River into a resource for economic and social progress.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Norris Dam was the first of a series of dams designed and built to put the vast water resources of the Tennessee River System to work for the people of the region. The completion of the dam was a significant step in turning the destructive power of the Tennessee River into a resource for economic and social progress.\u003C/span\u003E\u003C/span\u003Eresource for economic and social progress.","title":"Norris Dam, 1936","link":"","lat":36.22639722,"lon":-84.08690833,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:North_Island_Main_Trunk_Railway,_1908\" title=\"ASCE-Landmark:North Island Main Trunk Railway, 1908\"\u003ENorth Island Main Trunk Railway, 1908\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBuilt under challenging conditions and over difficult terrain, the North Island Main Trunk Railway linked Wellington and Auckland, New Zealand, permitting overland travel and development of the hinterland.","title":"North Island Main Trunk Railway, 1908","link":"","lat":-41.28888889,"lon":174.7772222,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Northampton_Street_Bridge,_1896\" title=\"ASCE-Landmark:Northampton Street Bridge, 1896\"\u003ENorthampton Street Bridge, 1896\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Northampton Street Bridge is the sole existing through-type cantilever eyebar bridge in the United States to serve only highway traffic.","title":"Northampton Street Bridge, 1896","link":"","lat":40.7,"lon":-75.2,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Northern_Pacific_High_Line_Bridge_No._64,_1908\" title=\"ASCE-Landmark:Northern Pacific High Line Bridge No. 64, 1908\"\u003ENorthern Pacific High Line Bridge No. 64, 1908\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Northern Pacific High Line Bridge No. \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Northern Pacific High Line Bridge No. 64, a steel viaduct across the Sheyenne River Valley, allowed the railroad to avoid steep grades. At 3886 feet (1184 meters) long and 155 feet (47 meters) high, the structure is an excellent example of this bridge type.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Northern Pacific High Line Bridge No. 64, a steel viaduct across the Sheyenne River Valley, allowed the railroad to avoid steep grades. At 3886 feet (1184 meters) long and 155 feet (47 meters) high, the structure is an excellent example of this bridge type.\u003C/span\u003E\u003C/span\u003E an excellent example of this bridge type.","title":"Northern Pacific High Line Bridge No. 64, 1908","link":"","lat":46.93888889,"lon":-97.99472222,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Northern_Pacific_Railroad_Snow_Plow\" title=\"ASME-Landmark:Northern Pacific Railroad Snow Plow\"\u003ENorthern Pacific Railroad Snow Plow\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EManufactured by Cooke Locomotive \u0026amp; Mac\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Manufactured by Cooke Locomotive \u0026amp; Machine Works of Paterson in 1887, the Northern Pacific Rotary Snow Plow #2 is the oldest surviving rotary snowplow in the world. Rotary snow plows provided a more effective and reliable means of removing snow from rail lines. These devices were instrumental in keeping freight and passenger rail systems in operation in the harshest of winters.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EManufactured by Cooke Locomotive \u0026 Machine Works of Paterson in 1887, the Northern Pacific Rotary Snow Plow #2 is the oldest surviving rotary snowplow in the world. Rotary snow plows provided a more effective and reliable means of removing snow from rail lines. These devices were instrumental in keeping freight and passenger rail systems in operation in the harshest of winters.\u003C/span\u003E\u003C/span\u003Estems in operation in the harshest of winters.","title":"Northern Pacific Railroad Snow Plow","link":"","lat":46.78107,"lon":-92.104175,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Ohio_Canal_System,_1825-1845\" title=\"ASCE-Landmark:Ohio Canal System, 1825-1845\"\u003EOhio Canal System, 1825-1845\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe engineering of the Ohio Canal System, a complex system of canals, bridges and dams totaling over 1,015 miles in length, produced the largest manmade lake in the world at the time, and was one of the greatest civil engineering feats of the early 1800s.","title":"Ohio Canal System, 1825-1845","link":"","lat":41.38194444,"lon":-81.64083333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Old_Cape_Henry_Lighthouse,_1792\" title=\"ASCE-Landmark:Old Cape Henry Lighthouse, 1792\"\u003EOld Cape Henry Lighthouse, 1792\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Old Cape Henry Lighthouse was the first construction project authorized by the first Congress and set the stage for all subsequent public works projects of the federal government.","title":"Old Cape Henry Lighthouse, 1792","link":"","lat":36.92555556,"lon":-76.00833333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Old_Mill_in_Nantucket\" title=\"ASME-Landmark:Old Mill in Nantucket\"\u003EOld Mill in Nantucket\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Old Mill, a smock type of windmill, is\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Old Mill, a smock type of windmill, is believed to be the oldest operating windmill in the United States. Most of its parts are original. This mill is the sole survivor of four that once stood along the range of hills west of the town of Nantucket. The long spar and wheel rotate the top of the mill and turn the sails into the wind.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Old Mill, a smock type of windmill, is believed to be the oldest operating windmill in the United States. Most of its parts are original. This mill is the sole survivor of four that once stood along the range of hills west of the town of Nantucket. The long spar and wheel rotate the top of the mill and turn the sails into the wind.\u003C/span\u003E\u003C/span\u003Ethe mill and turn the sails into the wind.","title":"Old Mill in Nantucket","link":"","lat":41.277354,"lon":-70.101325,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Old_Wisla_Bridge,_1857\" title=\"ASCE-Landmark:Old Wisla Bridge, 1857\"\u003EOld Wisla Bridge, 1857\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Old Wisla Bridge is the first example of a long span lattice-truss bridge on the European mainland.","title":"Old Wisla Bridge, 1857","link":"","lat":54.1,"lon":18.71666667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Ottmar_Mergenthaler%27s_Square_Base_Linotype_Machine\" title=\"ASME-Landmark:Ottmar Mergenthaler\u0026#039;s Square Base Linotype Machine\"\u003EOttmar Mergenthaler's Square Base Linotype Machine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EOttmar Mergenthaler started to develop the\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Ottmar Mergenthaler started to develop the Square Base Linotype in 1882 in Baltimore. The linotype, unlike Gutenberg\u0026#039;s printing press, did not use moveable type. Instead, it functioned like a typewriter: the operator sat at a keyboard of 90 characters and typed copy.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EOttmar Mergenthaler started to develop the Square Base Linotype in 1882 in Baltimore. The linotype, unlike Gutenberg's printing press, did not use moveable type. Instead, it functioned like a typewriter: the operator sat at a keyboard of 90 characters and typed copy.\u003C/span\u003E\u003C/span\u003E keyboard of 90 characters and typed copy.","title":"Ottmar Mergenthaler's Square Base Linotype Machine","link":"","lat":33.842386,"lon":-118.282267,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Owens_AR_Bottle_Machine\" title=\"ASME-Landmark:Owens AR Bottle Machine\"\u003EOwens AR Bottle Machine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBefore mechanization, glass workers were b\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Before mechanization, glass workers were blowing molten glass into metal molds. Increasing demand for bottles stimulated many attempts at automated bottle machines in Europe and the United States. Michael J. Owens (1859-1923) devised the first commercially successful, fully automatic bottle-making machine in 1903, financed by Edward D. Libbey (1854-1925) and executed with the aid of engineers William Boch, C. William Schwenzfeier, and Richard LaFrance.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EBefore mechanization, glass workers were blowing molten glass into metal molds. Increasing demand for bottles stimulated many attempts at automated bottle machines in Europe and the United States. Michael J. Owens (1859-1923) devised the first commercially successful, fully automatic bottle-making machine in 1903, financed by Edward D. Libbey (1854-1925) and executed with the aid of engineers William Boch, C. William Schwenzfeier, and Richard LaFrance.\u003C/span\u003E\u003C/span\u003Eilliam Schwenzfeier, and Richard LaFrance.","title":"Owens AR Bottle Machine","link":"","lat":41.528526,"lon":-83.647732,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:PACECO_Container_Crane\" title=\"ASME-Landmark:PACECO Container Crane\"\u003EPACECO Container Crane\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn 1956, the Pan-Atlantic Steamship Compan\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In 1956, the Pan-Atlantic Steamship Company developed the idea of shipping goods in intermodal containers\u2014truck vans that detach from their carriage or chassis for stacking on ships or rail cars. This containerization concept drastically reduced the labor costs as well as the time required to unload and reload the trucks at either end of the route and reduced the number of ship-to-shore lifts for each truck load from as many as 20 small lifts to only two heavy lifts.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn 1956, the Pan-Atlantic Steamship Company developed the idea of shipping goods in intermodal containers\u2014truck vans that detach from their carriage or chassis for stacking on ships or rail cars. This containerization concept drastically reduced the labor costs as well as the time required to unload and reload the trucks at either end of the route and reduced the number of ship-to-shore lifts for each truck load from as many as 20 small lifts to only two heavy lifts.\u003C/span\u003E\u003C/span\u003Eas 20 small lifts to only two heavy lifts.","title":"PACECO Container Crane","link":"","lat":37.77833,"lon":-122.258179,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Paddle_Streamer_Uri\" title=\"ASME-Landmark:Paddle Streamer Uri\"\u003EPaddle Streamer Uri\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EA new engine design for inland steamers, k\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"A new engine design for inland steamers, known as the diagonal compound engine, was introduced during the late nineteenth century, and the paddle steamer Uri is powered by the oldest surviving example (1901). These engines feature crossheads\u2014joints between the piston rods and the main rods to the crankshaft\u2014and non-oscillating cylinders. By eliminating the leak-prone trunion bearings and steals, steam pressure could be raised\u2014to 9 atmospheres on the Uri\u2014increasing the efficiency of the power plant considerably. The diagonal engine can also be compounded. The Uri\u0026#039;s engine has cylinder diameters of 720 mm and 1050 mm, with a stroke of 1300 mm and a production of 650 HP. This basic design was repeated for engines up to 1450 HP on numerous lake and river steamers in central Europe.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EA new engine design for inland steamers, known as the diagonal compound engine, was introduced during the late nineteenth century, and the paddle steamer Uri is powered by the oldest surviving example (1901). These engines feature crossheads\u2014joints between the piston rods and the main rods to the crankshaft\u2014and non-oscillating cylinders. By eliminating the leak-prone trunion bearings and steals, steam pressure could be raised\u2014to 9 atmospheres on the Uri\u2014increasing the efficiency of the power plant considerably. The diagonal engine can also be compounded. The Uri's engine has cylinder diameters of 720 mm and 1050 mm, with a stroke of 1300 mm and a production of 650 HP. This basic design was repeated for engines up to 1450 HP on numerous lake and river steamers in central Europe.\u003C/span\u003E\u003C/span\u003Elake and river steamers in central Europe.","title":"Paddle Streamer Uri","link":"","lat":47.047819,"lon":8.315519,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Paige_Compositor\" title=\"ASME-Landmark:Paige Compositor\"\u003EPaige Compositor\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EDesigned to replace the human typesetter o\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Designed to replace the human typesetter of a printing press with a mechanical arm, the Paige Compositor was the first to simultaneously set, justify, and distribute foundry type from a common case using only one operator. Working out of a shop in Colt\u0026#039;s Armory, James W. Paige invented this compositor in 1877 by combining his gravity typesetter with a Thompson distributor. It has 18,000 parts and numerous bearings, cams, and springs and could average 12,000 ems an hour.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EDesigned to replace the human typesetter of a printing press with a mechanical arm, the Paige Compositor was the first to simultaneously set, justify, and distribute foundry type from a common case using only one operator. Working out of a shop in Colt's Armory, James W. Paige invented this compositor in 1877 by combining his gravity typesetter with a Thompson distributor. It has 18,000 parts and numerous bearings, cams, and springs and could average 12,000 ems an hour.\u003C/span\u003E\u003C/span\u003Eings and could average 12,000 ems an hour.","title":"Paige Compositor","link":"","lat":41.767102,"lon":-72.701446,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Panama_Canal,_1904-1914\" title=\"ASCE-Landmark:Panama Canal, 1904-1914\"\u003EPanama Canal, 1904-1914\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EOriginally undertaken by the French and then redesigned and constructed by American engineers, the Panama Canal is one of the greatest sea-to-sea lock canals of all time.","title":"Panama Canal, 1904-1914","link":"","lat":9.08,"lon":-79.68,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Peavy-Haglin_Concrete_Grain_Elevator,_1900\" title=\"ASCE-Landmark:Peavy-Haglin Concrete Grain Elevator, 1900\"\u003EPeavy-Haglin Concrete Grain Elevator, 1900\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen completed, the Peavey-Haglin Concrete Grain Elevator was the first circular concrete grain elevator constructed in North America and the prototype of those ubiquitous structures that hold the country\u2019s wheat harvest.","title":"Peavy-Haglin Concrete Grain Elevator, 1900","link":"","lat":44.9425,"lon":-93.34527778,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Pegasus_3_Engine_BS_916\" title=\"ASME-Landmark:Pegasus 3 Engine BS 916\"\u003EPegasus 3 Engine BS 916\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Pegasus 3 is the earliest surviving ex\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Pegasus 3 is the earliest surviving example of the prototype engine for vertical/short takeoff and landing (V/STOL) jets, namely the Royal Air Force\u0026#039;s Harriers and US Marine Corps\u0026#039; AV-8Bs. Owned by the Rolls- Royce Heritage Trust (a company-sponsored history and preservation society), the landmark engine is an early developmental model of the Pegasus 3 engine, the first to fly with sufficient thrust to prove the vectored-thrust concept for V/STOL jet aircraft, in 1960.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Pegasus 3 is the earliest surviving example of the prototype engine for vertical/short takeoff and landing (V/STOL) jets, namely the Royal Air Force's Harriers and US Marine Corps' AV-8Bs. Owned by the Rolls- Royce Heritage Trust (a company-sponsored history and preservation society), the landmark engine is an early developmental model of the Pegasus 3 engine, the first to fly with sufficient thrust to prove the vectored-thrust concept for V/STOL jet aircraft, in 1960.\u003C/span\u003E\u003C/span\u003E concept for V/STOL jet aircraft, in 1960.","title":"Pegasus 3 Engine BS 916","link":"","lat":51.523632,"lon":-2.563355,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Pelton_Impulse_Water_Wheel,_1878\" title=\"ASCE-Landmark:Pelton Impulse Water Wheel, 1878\"\u003EPelton Impulse Water Wheel, 1878\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Pelton Impulse Water Wheel was the sit\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Pelton Impulse Water Wheel was the site of the first highly efficient and successful impulse water wheel, made possible by the development and first-time use of the split bucket. This method was the key to tapping the vast waterpower of the American West.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Pelton Impulse Water Wheel was the site of the first highly efficient and successful impulse water wheel, made possible by the development and first-time use of the split bucket. This method was the key to tapping the vast waterpower of the American West.\u003C/span\u003E\u003C/span\u003E the vast waterpower of the American West.","title":"Pelton Impulse Water Wheel, 1878","link":"","lat":39.45194444,"lon":-121.0486111,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Pelton_Waterwheel_Collection\" title=\"ASME-Landmark:Pelton Waterwheel Collection\"\u003EPelton Waterwheel Collection\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn 1880\u2014when water was an under-used resou\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In 1880\u2014when water was an under-used resource, and before electricity was economically practical as a motive power\u2014Lester A. Pelton (1831-1908) patented the \u0026quot;splitter principle\u0026quot; that made the Pelton water wheel so historic. He built the first Pelton turbine in Camptonville in 1878 and, shortly thereafter, perfected the wheel at the foundry in nearby Nevada City. In San Francisco, he founded the Pelton Water Wheel Company in 1888.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn 1880\u2014when water was an under-used resource, and before electricity was economically practical as a motive power\u2014Lester A. Pelton (1831-1908) patented the \"splitter principle\" that made the Pelton water wheel so historic. He built the first Pelton turbine in Camptonville in 1878 and, shortly thereafter, perfected the wheel at the foundry in nearby Nevada City. In San Francisco, he founded the Pelton Water Wheel Company in 1888.\u003C/span\u003E\u003C/span\u003Eed the Pelton Water Wheel Company in 1888.","title":"Pelton Waterwheel Collection","link":"","lat":39.20872,"lon":-121.069885,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Penn._RR_GG1_Electric_Locomotive\" title=\"ASME-Landmark:Penn. RR GG1 Electric Locomotive\"\u003EPenn. RR GG1 Electric Locomotive\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe GG1, designed in 1934, required two fr\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The GG1, designed in 1934, required two frames, each nearly forty feet long, which held three driver axle assemblies and a two-axle pilot truck. Driver axles fit into roller bearing boxes that could move vertically in pedestal jaws in the frame. Although none of these features were unique to the GG1, they were combined into a design that resulted in one of the best riding locomotives ever built, with firm stability at high speed and light wear to the track.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe GG1, designed in 1934, required two frames, each nearly forty feet long, which held three driver axle assemblies and a two-axle pilot truck. Driver axles fit into roller bearing boxes that could move vertically in pedestal jaws in the frame. Although none of these features were unique to the GG1, they were combined into a design that resulted in one of the best riding locomotives ever built, with firm stability at high speed and light wear to the track.\u003C/span\u003E\u003C/span\u003Eat high speed and light wear to the track.","title":"Penn. RR GG1 Electric Locomotive","link":"","lat":39.982501,"lon":-76.160301,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Pennsylvania_Tunpike_(Old_Section),_1940\" title=\"ASCE-Landmark:Pennsylvania Tunpike (Old Section), 1940\"\u003EPennsylvania Tunpike (Old Section), 1940\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen completed, the original section of th\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"When completed, the original section of the Pennsylvania Turnpike was the greatest single highway project in the history of the United States. It was the prototype of the modern American high-speed, limited access superhighway that became a world standard for long distance highway travel.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EWhen completed, the original section of the Pennsylvania Turnpike was the greatest single highway project in the history of the United States. It was the prototype of the modern American high-speed, limited access superhighway that became a world standard for long distance highway travel.\u003C/span\u003E\u003C/span\u003Estandard for long distance highway travel.","title":"Pennsylvania Tunpike (Old Section), 1940","link":"","lat":40.233333,"lon":-77.15,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Peterborough_Hydraulic_(Canal)_Lift_Lock\" title=\"ASME-Landmark:Peterborough Hydraulic (Canal) Lift Lock\"\u003EPeterborough Hydraulic (Canal) Lift Lock\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ELocated on the Trent Canal in the city of \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Located on the Trent Canal in the city of Peterborough, Ontario, Canada, the Peterborough Lift Lock boasts the highest hydraulic boat lifts in the world, transferring boats between two water levels in a single 19.8 m (65 ft.) lift. When it opened on July 9, 1904, conventional locks usually only had a 2 m (7 ft.) rise. The Peterborough Hydraulic Lift was designed in place of conventional locks, which would have lengthened the time considerably to transverse a gradual drop.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003ELocated on the Trent Canal in the city of Peterborough, Ontario, Canada, the Peterborough Lift Lock boasts the highest hydraulic boat lifts in the world, transferring boats between two water levels in a single 19.8 m (65 ft.) lift. When it opened on July 9, 1904, conventional locks usually only had a 2 m (7 ft.) rise. The Peterborough Hydraulic Lift was designed in place of conventional locks, which would have lengthened the time considerably to transverse a gradual drop.\u003C/span\u003E\u003C/span\u003Econsiderably to transverse a gradual drop.","title":"Peterborough Hydraulic (Canal) Lift Lock","link":"","lat":44.306944,"lon":-78.301484,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Petra,_400_B.C._-_400_A.D.\" title=\"ASCE-Landmark:Petra, 400 B.C. - 400 A.D.\"\u003EPetra, 400 B.C. - 400 A.D.\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EEven though Petra was built in a hostile and barren desert, it was able to support from 30,000 to 40,000 inhabitants because of the water supply, drainage, and flood control infrastructure developed by the Nabateans.","title":"Petra, 400 B.C. - 400 A.D.","link":"","lat":30.32861111,"lon":35.44194444,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Philadelphia_City_Hall,_1901\" title=\"ASCE-Landmark:Philadelphia City Hall, 1901\"\u003EPhiladelphia City Hall, 1901\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EPhiladelphia City Hall was the world's tallest occupied structure and the nation's largest municipal government building when completed. Its load-bearing masonry construction is unique for a building of this size.","title":"Philadelphia City Hall, 1901","link":"","lat":39.95224722,"lon":-75.16389444,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Philadelphia_Municipal_Water_Supply,_1799_-_1801\" title=\"ASCE-Landmark:Philadelphia Municipal Water Supply, 1799 - 1801\"\u003EPhiladelphia Municipal Water Supply, 1799 - 1801\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Philadelphia Municipal Water Supply system was the first major municipal water works in the United States to employ steam powered pumping methods.","title":"Philadelphia Municipal Water Supply, 1799 - 1801","link":"","lat":39.96555556,"lon":-75.18083333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Philo_6_Steam-Electric_Generating_Unit\" title=\"ASME-Landmark:Philo 6 Steam-Electric Generating Unit\"\u003EPhilo 6 Steam-Electric Generating Unit\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EPhilo Unit 6 (1957) was the world's first \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Philo Unit 6 (1957) was the world\u0026#039;s first supercritical-pressure steam-electric generating unit to operate commercially. The mechanical engineering innovations represented by Philo 6 significantly advanced the thermal efficiency of power generation, thereby greatly reducing its production cost. Its performance proved that introduction of higher steam pressure and higher steam temperature to power generation\u2014combined with use of a double-reheat cycle\u2014could produce new levels of thermal efficiency, approaching 40 percent. At that time, the national average thermal efficiency of all fossil-fueled power plants was 29.9 percent. Experience gained from the engineering, design, construction, and operation of Philo 6 provided a firm engineering basis for many larger, efficient generating units that were to follow.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EPhilo Unit 6 (1957) was the world's first supercritical-pressure steam-electric generating unit to operate commercially. The mechanical engineering innovations represented by Philo 6 significantly advanced the thermal efficiency of power generation, thereby greatly reducing its production cost. Its performance proved that introduction of higher steam pressure and higher steam temperature to power generation\u2014combined with use of a double-reheat cycle\u2014could produce new levels of thermal efficiency, approaching 40 percent. At that time, the national average thermal efficiency of all fossil-fueled power plants was 29.9 percent. Experience gained from the engineering, design, construction, and operation of Philo 6 provided a firm engineering basis for many larger, efficient generating units that were to follow.\u003C/span\u003E\u003C/span\u003Eient generating units that were to follow.","title":"Philo 6 Steam-Electric Generating Unit","link":"","lat":29.83498,"lon":-95.562748,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Pierce-Donachy_Ventricular_Assist_Device\" title=\"ASME-Landmark:Pierce-Donachy Ventricular Assist Device\"\u003EPierce-Donachy Ventricular Assist Device\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Pierce-Donachy Ventricular Assist Devi\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Pierce-Donachy Ventricular Assist Device was the first extremely smooth, surgically implantable, seam-free pulsatile blood pump to receive widespread clinical use. After its invention in 1977, it was responsible for saving numerous lives. When used as a bridge to transplant, the pump has a success rate greater than 90 percent. There has never been a device-failure-related fatality of any of these patients.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Pierce-Donachy Ventricular Assist Device was the first extremely smooth, surgically implantable, seam-free pulsatile blood pump to receive widespread clinical use. After its invention in 1977, it was responsible for saving numerous lives. When used as a bridge to transplant, the pump has a success rate greater than 90 percent. There has never been a device-failure-related fatality of any of these patients.\u003C/span\u003E\u003C/span\u003Erelated fatality of any of these patients.","title":"Pierce-Donachy Ventricular Assist Device","link":"","lat":40.264046,"lon":-76.676678,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Pilatusbahn\" title=\"ASME-Landmark:Pilatusbahn\"\u003EPilatusbahn\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Pilatusbahn\u2014the steepest rack railway \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Pilatusbahn\u2014the steepest rack railway in the world\u2014has operated successfully since its opening in 1889 over a route of 4.62 kilometers (2.87 miles) between Alpnachstad on Lake Lucerne and Pilatus Kulm, rising 6,791 feet (2,070 meters) above sea level. This results in a gradient of 48%, or a rise of nearly one meter in two meters of run on the steepest sections of the line, which amounts to about a quarter of its length.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Pilatusbahn\u2014the steepest rack railway in the world\u2014has operated successfully since its opening in 1889 over a route of 4.62 kilometers (2.87 miles) between Alpnachstad on Lake Lucerne and Pilatus Kulm, rising 6,791 feet (2,070 meters) above sea level. This results in a gradient of 48%, or a rise of nearly one meter in two meters of run on the steepest sections of the line, which amounts to about a quarter of its length.\u003C/span\u003E\u003C/span\u003E amounts to about a quarter of its length.","title":"Pilatusbahn","link":"","lat":46.979249,"lon":8.255515,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Pin-Ticketing_Machine\" title=\"ASME-Landmark:Pin-Ticketing Machine\"\u003EPin-Ticketing Machine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe pin-ticketing machine was the first su\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The pin-ticketing machine was the first successful machine for mechanizing the identification and price marking of retail merchandise. At a single stroke of the operating handle, the machine formed a tag from a roll of stock, imprinted it with price and other information, formed a wire staple, and stapled the tag to the merchandise. This means for dispensing with handmade and written tags amounted to a minor revolution in the then-rapidly expanding retail industry.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe pin-ticketing machine was the first successful machine for mechanizing the identification and price marking of retail merchandise. At a single stroke of the operating handle, the machine formed a tag from a roll of stock, imprinted it with price and other information, formed a wire staple, and stapled the tag to the merchandise. This means for dispensing with handmade and written tags amounted to a minor revolution in the then-rapidly expanding retail industry.\u003C/span\u003E\u003C/span\u003Ehe then-rapidly expanding retail industry.","title":"Pin-Ticketing Machine","link":"","lat":39.638246,"lon":-84.23997,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Pioneer_Oil_Refinery_California_Star_Oil_Works\" title=\"ASME-Landmark:Pioneer Oil Refinery California Star Oil Works\"\u003EPioneer Oil Refinery California Star Oil Works\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAfter an unsuccessful attempt at refining \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"After an unsuccessful attempt at refining in Lyons, the refinery at Andrews Station (Newhall) was built by the California Star Oil Works, a predecessor of the Standard Oil Company. The Pioneer Refinery became the first successful commercial refinery in the West, producing mostly lucrative kerosenes in two grades, \u0026quot;Lustre\u0026quot; and \u0026quot;Prime White.\u0026quot; Other products included small amounts of benzene\u2014a 300 degree fire-test safety illuminating oil for use on ships, railroads, factories, and mines\u2014as well as a light lubricating oil (24 degree gravity) for machinery and a heavy lubricant (19 degree gravity) for saw mills, quartz mills, and railroad journal boxers.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EAfter an unsuccessful attempt at refining in Lyons, the refinery at Andrews Station (Newhall) was built by the California Star Oil Works, a predecessor of the Standard Oil Company. The Pioneer Refinery became the first successful commercial refinery in the West, producing mostly lucrative kerosenes in two grades, \"Lustre\" and \"Prime White.\" Other products included small amounts of benzene\u2014a 300 degree fire-test safety illuminating oil for use on ships, railroads, factories, and mines\u2014as well as a light lubricating oil (24 degree gravity) for machinery and a heavy lubricant (19 degree gravity) for saw mills, quartz mills, and railroad journal boxers.\u003C/span\u003E\u003C/span\u003Equartz mills, and railroad journal boxers.","title":"Pioneer Oil Refinery California Star Oil Works","link":"","lat":34.369558,"lon":-118.522499,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Pioneer_Zephyr\" title=\"ASME-Landmark:Pioneer Zephyr\"\u003EPioneer Zephyr\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn the late 1920s, the automobile had cut railroad passenger service by more than half. The debut of the Pioneer Zephyr in 1934 heralded a comeback, touring the country and being seen by some two million people in 222 cities.","title":"Pioneer Zephyr","link":"","lat":41.790564,"lon":-87.583058,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Pit-Cast_Jib_Crane\" title=\"ASME-Landmark:Pit-Cast Jib Crane\"\u003EPit-Cast Jib Crane\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EJib cranes were used to lift molten iron t\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Jib cranes were used to lift molten iron to pit-like molds where it was cast into pipe (the \u0026quot;pit-cast\u0026quot; method). When the American Cast Iron Pipe Company constructed its plant facilities at Birmingham, Alabama, in 1905-06, six jib cranes were installed. These cranes were purchased from the Alliance Machine Company and the Cleveland Crane and Car Co., Ohio, and were among the first to employ electric motors to power this type of equipment. ACIPCO used D.C. electric motors to mechanize the hoisting, booming, and swing actions of these jib cranes. The brakes, however, that controlled those actions were originally mechanical. Later, air brakes were installed, and still later electric brakes were used.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EJib cranes were used to lift molten iron to pit-like molds where it was cast into pipe (the \"pit-cast\" method). When the American Cast Iron Pipe Company constructed its plant facilities at Birmingham, Alabama, in 1905-06, six jib cranes were installed. These cranes were purchased from the Alliance Machine Company and the Cleveland Crane and Car Co., Ohio, and were among the first to employ electric motors to power this type of equipment. ACIPCO used D.C. electric motors to mechanize the hoisting, booming, and swing actions of these jib cranes. The brakes, however, that controlled those actions were originally mechanical. Later, air brakes were installed, and still later electric brakes were used.\u003C/span\u003E\u003C/span\u003Eand still later electric brakes were used.","title":"Pit-Cast Jib Crane","link":"","lat":33.520761,"lon":-86.791268,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Pitney-Bowes_Model_M_Postage_Meter\" title=\"ASME-Landmark:Pitney-Bowes Model M Postage Meter\"\u003EPitney-Bowes Model M Postage Meter\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe world's first commercial postage meter\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The world\u0026#039;s first commercial postage meter\u2014the Model M\u2014was designed and developed in Stamford between 1901 and 1920 by inventor Arthur Pitney and entrepreneur Walter H. Bowes, with the assistance of Walter H. Wheeler, Jr. The Model M formed the cornerstone of the Pitney Bowes metered mail concept, which was officially recognized by the U.S. Postal Service and was introduced on November 16, 1920.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe world's first commercial postage meter\u2014the Model M\u2014was designed and developed in Stamford between 1901 and 1920 by inventor Arthur Pitney and entrepreneur Walter H. Bowes, with the assistance of Walter H. Wheeler, Jr. The Model M formed the cornerstone of the Pitney Bowes metered mail concept, which was officially recognized by the U.S. Postal Service and was introduced on November 16, 1920.\u003C/span\u003E\u003C/span\u003Ee and was introduced on November 16, 1920.","title":"Pitney-Bowes Model M Postage Meter","link":"","lat":41.070882,"lon":-73.54857,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Point_of_Beginning,_U.S._Public_Lands,_1785\" title=\"ASCE-Landmark:Point of Beginning, U.S. Public Lands, 1785\"\u003EPoint of Beginning, U.S. Public Lands, 1785\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Point of Beginning survey, an original\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Point of Beginning survey, an original undertaking, was completed under extremely trying conditions and with primitive instruments and techniques. It resulted in the \u201cseven ranges\u201d of Ohio, which provided the basis for similar frameworks for the disbursement of public lands in 30 other states.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Point of Beginning survey, an original undertaking, was completed under extremely trying conditions and with primitive instruments and techniques. It resulted in the \u201cseven ranges\u201d of Ohio, which provided the basis for similar frameworks for the disbursement of public lands in 30 other states.\u003C/span\u003E\u003C/span\u003Esement of public lands in 30 other states.","title":"Point of Beginning, U.S. Public Lands, 1785","link":"","lat":40.63333333,"lon":-79.5,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Ponte_Maria_Pia_Bridge,_1877\" title=\"ASCE-Landmark:Ponte Maria Pia Bridge, 1877\"\u003EPonte Maria Pia Bridge, 1877\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen opened, the Ponte Maria Pia Bridge was the longest iron arch bridge in the world, with a 160-meter-long parabolic arch.","title":"Ponte Maria Pia Bridge, 1877","link":"","lat":41.13333333,"lon":-8.6,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Port_Washington_Power_Plant\" title=\"ASME-Landmark:Port Washington Power Plant\"\u003EPort Washington Power Plant\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Port Washington Power Plant of the Wis\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Port Washington Power Plant of the Wisconsin Electric Company was the most thermally efficient steam power plant in the world for many years following its opening in 1935. Its design reflected the cumulative experience of the utility\u0026#039;s engineers in burning pulverized coal at the Oneida Street Plant (ASME landmark #42) and the Lakeside Station in Milwaukee.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Port Washington Power Plant of the Wisconsin Electric Company was the most thermally efficient steam power plant in the world for many years following its opening in 1935. Its design reflected the cumulative experience of the utility's engineers in burning pulverized coal at the Oneida Street Plant (ASME landmark #42) and the Lakeside Station in Milwaukee.\u003C/span\u003E\u003C/span\u003E42) and the Lakeside Station in Milwaukee.","title":"Port Washington Power Plant","link":"","lat":43.03704,"lon":-87.913841,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Portland_Head_Light,_1790\" title=\"ASCE-Landmark:Portland Head Light, 1790\"\u003EPortland Head Light, 1790\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Portland Headlight was the first lighthouse completed and put into service by the United States federal government under the Lighthouse Act of 1789.","title":"Portland Head Light, 1790","link":"","lat":43.62305556,"lon":-70.20777778,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Portland_Observatory,_1807\" title=\"ASCE-Landmark:Portland Observatory, 1807\"\u003EPortland Observatory, 1807\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAs one of the earliest marine signal stati\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"As one of the earliest marine signal stations in the United States, the Portland Observatory is unique in its engineering design and construction, contributing to the prosperity of Portland Harbor as a vital center of maritime commerce during the \u0026quot;Golden Age of Sail.\u0026quot;\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EAs one of the earliest marine signal stations in the United States, the Portland Observatory is unique in its engineering design and construction, contributing to the prosperity of Portland Harbor as a vital center of maritime commerce during the \"Golden Age of Sail.\"\u003C/span\u003E\u003C/span\u003E commerce during the \"Golden Age of Sail.\"","title":"Portland Observatory, 1807","link":"","lat":43.66527778,"lon":-70.24833333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Portsmouth-Kittery_Naval_Shipbuilding_Activity\" title=\"ASME-Landmark:Portsmouth-Kittery Naval Shipbuilding Activity\"\u003EPortsmouth-Kittery Naval Shipbuilding Activity\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe shipyard at Portsmouth was the first U\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The shipyard at Portsmouth was the first U.S. naval shipyard\u2014not only did shipbuilding for the British Royal Navy in Portsmouth-Kittery begin in 1690, but colonists took the port from the British the very day after Paul Revere\u0026#039;s ride to Portsmouth in mid-December 1774. The fort\u0026#039;s capture was the first organized military step against the Mother Country, and colonists soon began a fully integrated operation for U.S. warships, which became the Portsmouth-Kittery Naval Shipbuilding Activity.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe shipyard at Portsmouth was the first U.S. naval shipyard\u2014not only did shipbuilding for the British Royal Navy in Portsmouth-Kittery begin in 1690, but colonists took the port from the British the very day after Paul Revere's ride to Portsmouth in mid-December 1774. The fort's capture was the first organized military step against the Mother Country, and colonists soon began a fully integrated operation for U.S. warships, which became the Portsmouth-Kittery Naval Shipbuilding Activity.\u003C/span\u003E\u003C/span\u003Emouth-Kittery Naval Shipbuilding Activity.","title":"Portsmouth-Kittery Naval Shipbuilding Activity","link":"","lat":43.080369,"lon":-70.739901,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Potowmack_Canal_and_Locks,_1785-1828\" title=\"ASCE-Landmark:Potowmack Canal and Locks, 1785-1828\"\u003EPotowmack Canal and Locks, 1785-1828\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Potowmack Canals and Locks are a part of the first extensive system of canal and river navigation works undertaken in the United States.","title":"Potowmack Canal and Locks, 1785-1828","link":"","lat":38.98944444,"lon":-77.24861111,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Poughkeepsie-Highland_Bridge,_1889\" title=\"ASCE-Landmark:Poughkeepsie-Highland Bridge, 1889\"\u003EPoughkeepsie-Highland Bridge, 1889\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Poughkeepsie-Highland Bridge is the oldest surviving steel cantilever bridge in the world and, when built, had the longest truss and cantilever spans.","title":"Poughkeepsie-Highland Bridge, 1889","link":"","lat":41.7,"lon":-73.93333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Pratt_Institute_Power_Plant\" title=\"ASME-Landmark:Pratt Institute Power Plant\"\u003EPratt Institute Power Plant\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EVictorian industrialist Charles Pratt purc\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Victorian industrialist Charles Pratt purchased the Brooklyn property that would later house the Pratt Institute in 1885. The first two buildings for his school\u2014which he had designed on the standard mill construction of the period so that, should the school fail financially, he would still have a usable commercial property\u2014were planned to have steam heat, both gas and electric lighting, and an elevator. But while the first registration for classes was held on October 3, 1887, neither boilers nor generators were yet in operation. The boilers were lit for the first time on November 22, and the generating plant finally went \u0026quot;on steam\u0026quot; on January 4, 1888, finally supplying classrooms with reliable electric light.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EVictorian industrialist Charles Pratt purchased the Brooklyn property that would later house the Pratt Institute in 1885. The first two buildings for his school\u2014which he had designed on the standard mill construction of the period so that, should the school fail financially, he would still have a usable commercial property\u2014were planned to have steam heat, both gas and electric lighting, and an elevator. But while the first registration for classes was held on October 3, 1887, neither boilers nor generators were yet in operation. The boilers were lit for the first time on November 22, and the generating plant finally went \"on steam\" on January 4, 1888, finally supplying classrooms with reliable electric light.\u003C/span\u003E\u003C/span\u003Eg classrooms with reliable electric light.","title":"Pratt Institute Power Plant","link":"","lat":40.691821,"lon":-73.96357,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Prehistoric_Mesa_Verde_Reservoirs,_750_A.D._-_1180_A.D.\" title=\"ASCE-Landmark:Prehistoric Mesa Verde Reservoirs, 750 A.D. - 1180 A.D.\"\u003EPrehistoric Mesa Verde Reservoirs, 750 A.D. - 1180 A.D.\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EMesa Verde's industrious Ancestral Puebloans designed, constructed, and maintained Morefield, Box Elder, Far View, and Sagebrush Reservoirs for domestic water-storage between A.D. 750 and 1180.","title":"Prehistoric Mesa Verde Reservoirs, 750 A.D. - 1180 A.D.","link":"","lat":37.18388889,"lon":-108.4886111,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Pullman_Sleeping_Car_Glengyle\" title=\"ASME-Landmark:Pullman Sleeping Car Glengyle\"\u003EPullman Sleeping Car Glengyle\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Glengyle is the earliest known survivo\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Glengyle is the earliest known survivor of the fleet of heavyweight, all-steel sleepers built by Pullman Company. The design was introduced in 1907 as a marked improvement over the wooden version then in use. Some 10,000 were built, in various configurations, the last in 1931. The Glengyle is original in its interior and most of its components.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Glengyle is the earliest known survivor of the fleet of heavyweight, all-steel sleepers built by Pullman Company. The design was introduced in 1907 as a marked improvement over the wooden version then in use. Some 10,000 were built, in various configurations, the last in 1931. The Glengyle is original in its interior and most of its components.\u003C/span\u003E\u003C/span\u003En its interior and most of its components.","title":"Pullman Sleeping Car Glengyle","link":"","lat":33.148931,"lon":-96.830755,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Q-R-S_Marking_Piano\" title=\"ASME-Landmark:Q-R-S Marking Piano\"\u003EQ-R-S Marking Piano\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Q-R-S marking piano, invented by Melvi\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Q-R-S marking piano, invented by Melville Clark (1850-1918) in 1912, was one of the first machines to produce master rolls for player pianos by recording actual performances. The marking piano made it possible to capture live performances\u2014including those of Igor Stravinsky, George Gershwin, and Duke Ellington\u2014and thus preserve keyboard artistry of many artists, incidentally documenting the history of pre-radio 20th century American popular music.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Q-R-S marking piano, invented by Melville Clark (1850-1918) in 1912, was one of the first machines to produce master rolls for player pianos by recording actual performances. The marking piano made it possible to capture live performances\u2014including those of Igor Stravinsky, George Gershwin, and Duke Ellington\u2014and thus preserve keyboard artistry of many artists, incidentally documenting the history of pre-radio 20th century American popular music.\u003C/span\u003E\u003C/span\u003Eradio 20th century American popular music.","title":"Q-R-S Marking Piano","link":"","lat":41.37665,"lon":-79.706549,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Quebec_Bridge,_1917\" title=\"ASCE-Landmark:Quebec Bridge, 1917\"\u003EQuebec Bridge, 1917\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAt the time of construction, the Quebec Bridge was the longest span (549 meters) cantilever bridge in the world.","title":"Quebec Bridge, 1917","link":"","lat":46.75,"lon":-71.28333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Queensboro_Bridge,_1909\" title=\"ASCE-Landmark:Queensboro Bridge, 1909\"\u003EQueensboro Bridge, 1909\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Queensboro Bridge was the longest cantilever span in North America (1,182 feet) from 1909 until the Quebec Bridge opened in 1917 and the longest in the United States until 1930","title":"Queensboro Bridge, 1909","link":"","lat":40.75,"lon":-73.95,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Quincy_Mining_Company_No._2_Mine_Hoist\" title=\"ASME-Landmark:Quincy Mining Company No. 2 Mine Hoist\"\u003EQuincy Mining Company No. 2 Mine Hoist\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe largest steam-powered mine hoist in th\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The largest steam-powered mine hoist in the world served the two incline skipways of Quincy Mine Shaft No. 2, almost 9,300 feet long. Copper in most mines in the Michigan copper district was found in lodes averaging from 6 to 12 feet thick. Such lodes at the Quincy mine dipped into the ground at about 45 degrees, for a distance of more than two miles along the lode and a depth of over 9,100 feet on the incline, a vertical depth of more than a mile below the shaft opening.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe largest steam-powered mine hoist in the world served the two incline skipways of Quincy Mine Shaft No. 2, almost 9,300 feet long. Copper in most mines in the Michigan copper district was found in lodes averaging from 6 to 12 feet thick. Such lodes at the Quincy mine dipped into the ground at about 45 degrees, for a distance of more than two miles along the lode and a depth of over 9,100 feet on the incline, a vertical depth of more than a mile below the shaft opening.\u003C/span\u003E\u003C/span\u003E more than a mile below the shaft opening.","title":"Quincy Mining Company No. 2 Mine Hoist","link":"","lat":47.13716,"lon":-88.574618,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:R_L-10_Rocket_Engine\" title=\"ASME-Landmark:R L-10 Rocket Engine\"\u003ER L-10 Rocket Engine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Pratt \u0026amp; Whitney Aircraft RL-10, wh\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Pratt \u0026amp; Whitney Aircraft RL-10, which served as the power plant for NASA\u0026#039;s upper-stage Centaur space launch vehicle, was the first rocket engine to use high-energy liquid hydrogen as a fuel. It was the technological pathfinder in hydrogen rocketry and led to the development of larger engines that made the 1969 lunar landing possible.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Pratt \u0026 Whitney Aircraft RL-10, which served as the power plant for NASA's upper-stage Centaur space launch vehicle, was the first rocket engine to use high-energy liquid hydrogen as a fuel. It was the technological pathfinder in hydrogen rocketry and led to the development of larger engines that made the 1969 lunar landing possible.\u003C/span\u003E\u003C/span\u003Enes that made the 1969 lunar landing possible.","title":"R L-10 Rocket Engine","link":"","lat":38.888177,"lon":-77.019911,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Radio_City_Music_Hall_Hydraulically_Actuated_Stage\" title=\"ASME-Landmark:Radio City Music Hall Hydraulically Actuated Stage\"\u003ERadio City Music Hall Hydraulically Actuated Stage\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe precision \"choreographed\" staging of R\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The precision \u0026quot;choreographed\u0026quot; staging of Radio City Music Hall offers size and versatility unlike any other. Built in 1932 by Peter Clark, its innovative elevator system is a forerunner of other stage designs (including the Metropolitan Opera House) as well as aircraft carrier systems built in World War II. These elevators can handle people, animals, props, and scenery at variable speeds, delivering them to the stage or above and also dropping out of sight in front to reappear again in the back, just as effectively.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe precision \"choreographed\" staging of Radio City Music Hall offers size and versatility unlike any other. Built in 1932 by Peter Clark, its innovative elevator system is a forerunner of other stage designs (including the Metropolitan Opera House) as well as aircraft carrier systems built in World War II. These elevators can handle people, animals, props, and scenery at variable speeds, delivering them to the stage or above and also dropping out of sight in front to reappear again in the back, just as effectively.\u003C/span\u003E\u003C/span\u003Ear again in the back, just as effectively.","title":"Radio City Music Hall Hydraulically Actuated Stage","link":"","lat":40.75996,"lon":-73.980009,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Red_Hill_Underground_Fuel_Storage_Facility,_1943\" title=\"ASCE-Landmark:Red Hill Underground Fuel Storage Facility, 1943\"\u003ERed Hill Underground Fuel Storage Facility, 1943\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBuried under 100 feet of volcanic rock, th\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Buried under 100 feet of volcanic rock, the Red Hill Underground Fuel Storage Facility, a complex of 20 fuel tanks, was innovatively designed and constructed. This system provided fuel for United States forces during the latter half of World War II and for the 50 years that followed.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EBuried under 100 feet of volcanic rock, the Red Hill Underground Fuel Storage Facility, a complex of 20 fuel tanks, was innovatively designed and constructed. This system provided fuel for United States forces during the latter half of World War II and for the 50 years that followed.\u003C/span\u003E\u003C/span\u003EWar II and for the 50 years that followed.","title":"Red Hill Underground Fuel Storage Facility, 1943","link":"","lat":21.37404167,"lon":-157.8938556,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Reed_Gold_Mine_Ten-Stamp_Mill\" title=\"ASME-Landmark:Reed Gold Mine Ten-Stamp Mill\"\u003EReed Gold Mine Ten-Stamp Mill\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Reed Gold Mine Ten-Stamp Mill, built b\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Reed Gold Mine Ten-Stamp Mill, built by the Mecklenburg Iron Works of Charlotte, North Carolina, is a typical mill of the late nineteenth century. Built in 1830, the mill\u0026#039;s working parts were made of cast iron; it resembled a large mortar and pestle. Two groups of five 750-pound stamps with 5- to 7-inch lift rose and fell thirty-five times a minute to yield a finely crushed ore.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Reed Gold Mine Ten-Stamp Mill, built by the Mecklenburg Iron Works of Charlotte, North Carolina, is a typical mill of the late nineteenth century. Built in 1830, the mill's working parts were made of cast iron; it resembled a large mortar and pestle. Two groups of five 750-pound stamps with 5- to 7-inch lift rose and fell thirty-five times a minute to yield a finely crushed ore.\u003C/span\u003E\u003C/span\u003Ees a minute to yield a finely crushed ore.","title":"Reed Gold Mine Ten-Stamp Mill","link":"","lat":35.285485,"lon":-80.466465,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Refrigeration_Research_Museum\" title=\"ASME-Landmark:Refrigeration Research Museum\"\u003ERefrigeration Research Museum\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EHome to one of the world\u2019s most comprehensive collection of restored refrigerators, freezer and ice boxes \u2013 some dating back to the early 1900s.","title":"Refrigeration Research Museum","link":"","lat":42.532509,"lon":-83.790185,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Rensselaer_Polytechnic_Institute,_1824\" title=\"ASCE-Landmark:Rensselaer Polytechnic Institute, 1824\"\u003ERensselaer Polytechnic Institute, 1824\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ERensselaer Polytechnic Institute, founded in 1824, was the first college in the United States to award the degree of Civil Engineer.","title":"Rensselaer Polytechnic Institute, 1824","link":"","lat":42.73,"lon":-73.6775,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Reuleaux_Collection_of_Kinematic_Mechanisms_at_Cornell_University\" title=\"ASME-Landmark:Reuleaux Collection of Kinematic Mechanisms at Cornell University\"\u003EReuleaux Collection of Kinematic Mechanisms at Cornell University\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EKinematics is the study of geometry of mot\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Kinematics is the study of geometry of motion. Franz Reuleaux (1829-1905) designed the models in the kinematic mechanism collection at Cornell as teaching aids for invention, showing the kinematic design of machines. The iron and brass mechanisms in the collection represent the fundamental components of complex machines and were conceived as elements of a basic \u0026quot;language of invention.\u0026quot; Reuleaux\u0026#039;s theories helped standardize machine design in the late 19th century, and Cornell\u0026#039;s collection was acquired by Andrew Dickson White as part of his reform of engineering education. Today, the models are still used in the teaching of machine design and synthesis, robotics, dynamics, architectural drawing, and mathematics.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EKinematics is the study of geometry of motion. Franz Reuleaux (1829-1905) designed the models in the kinematic mechanism collection at Cornell as teaching aids for invention, showing the kinematic design of machines. The iron and brass mechanisms in the collection represent the fundamental components of complex machines and were conceived as elements of a basic \"language of invention.\" Reuleaux's theories helped standardize machine design in the late 19th century, and Cornell's collection was acquired by Andrew Dickson White as part of his reform of engineering education. Today, the models are still used in the teaching of machine design and synthesis, robotics, dynamics, architectural drawing, and mathematics.\u003C/span\u003E\u003C/span\u003Es, architectural drawing, and mathematics.","title":"Reuleaux Collection of Kinematic Mechanisms at Cornell University","link":"","lat":42.444646,"lon":-76.482565,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Reversal_of_the_Chicago_River,_1892_-_1900\" title=\"ASCE-Landmark:Reversal of the Chicago River, 1892 - 1900\"\u003EReversal of the Chicago River, 1892 - 1900\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ECompleted in 1900, the reversal of the Chi\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Completed in 1900, the reversal of the Chicago River, a major civil engineering innovation, required imaginative planning and ingenious construction. The result was a multi-purpose project that significantly benefited the development of America\u2019s heartland.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003ECompleted in 1900, the reversal of the Chicago River, a major civil engineering innovation, required imaginative planning and ingenious construction. The result was a multi-purpose project that significantly benefited the development of America\u2019s heartland.\u003C/span\u003E\u003C/span\u003Eed the development of America\u2019s heartland.","title":"Reversal of the Chicago River, 1892 - 1900","link":"","lat":41.88638889,"lon":-87.6375,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Reversible_Waterwheel_%26_Man_Engine\" title=\"ASME-Landmark:Reversible Waterwheel \u0026amp; Man Engine\"\u003EReversible Waterwheel \u0026amp; Man Engine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ETwo features of past technology are preser\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Two features of past technology are preserved and displayed at Germany\u0026#039;s historic silver mine \u0026quot;Grube Samson\u0026quot;\u2014the Samson Mine\u2014opened in the later Middle Ages. The reversible overshot waterwheel of the ore hoist is probably the only survivor of its kind, and even more unique is the man-engine with an even larger overshot waterwheel that in the nineteenth century moved the miners between the surface and the working levels, sparing them the extraordinary exertion of climbing hundreds of meters of ladders.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003ETwo features of past technology are preserved and displayed at Germany's historic silver mine \"Grube Samson\"\u2014the Samson Mine\u2014opened in the later Middle Ages. The reversible overshot waterwheel of the ore hoist is probably the only survivor of its kind, and even more unique is the man-engine with an even larger overshot waterwheel that in the nineteenth century moved the miners between the surface and the working levels, sparing them the extraordinary exertion of climbing hundreds of meters of ladders.\u003C/span\u003E\u003C/span\u003Eof climbing hundreds of meters of ladders.","title":"Reversible Waterwheel \u0026 Man Engine","link":"","lat":51.713143,"lon":10.516101,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Reynolds-Corliss_Pumping_Engine\" title=\"ASME-Landmark:Reynolds-Corliss Pumping Engine\"\u003EReynolds-Corliss Pumping Engine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBetween 1914 and 1917, Jacksonville undert\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Between 1914 and 1917, Jacksonville undertook a water supply improvement program. The Reynolds-Corliss Pumping Engine, developed by American engineering pioneer Edwin Reynolds in Milwaukee, was installed in 1917 in the Jacksonville Main Street water pumping plant alongside an Epping-Carpenter pump that was scrapped and removed in 1956.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EBetween 1914 and 1917, Jacksonville undertook a water supply improvement program. The Reynolds-Corliss Pumping Engine, developed by American engineering pioneer Edwin Reynolds in Milwaukee, was installed in 1917 in the Jacksonville Main Street water pumping plant alongside an Epping-Carpenter pump that was scrapped and removed in 1956.\u003C/span\u003E\u003C/span\u003Eump that was scrapped and removed in 1956.","title":"Reynolds-Corliss Pumping Engine","link":"","lat":30.327628,"lon":-81.657544,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Ringwood_Manor_Iron_Complex\" title=\"ASME-Landmark:Ringwood Manor Iron Complex\"\u003ERingwood Manor Iron Complex\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Ringwood Manor Iron Complex was a prom\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Ringwood Manor Iron Complex was a prominent property in the early development of the U.S. iron industry. The Ogdens of Newark, New Jersey, built the Ringwood Company\u0026#039;s first blast furnace in 1742. The second furnace, built in 1762, has two stones that remain on display today.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Ringwood Manor Iron Complex was a prominent property in the early development of the U.S. iron industry. The Ogdens of Newark, New Jersey, built the Ringwood Company's first blast furnace in 1742. The second furnace, built in 1762, has two stones that remain on display today.\u003C/span\u003E\u003C/span\u003Es two stones that remain on display today.","title":"Ringwood Manor Iron Complex","link":"","lat":41.139015,"lon":-74.254974,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:River_des_Peres_Sewage_%26_Drainage_Works,_1924_-_1931\" title=\"ASCE-Landmark:River des Peres Sewage \u0026amp; Drainage Works, 1924 - 1931\"\u003ERiver des Peres Sewage \u0026amp; Drainage Works, 1924 - 1931\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe River des Peres Sewage \u0026amp; Drainage Works, a 13-mile system of sanitary trunk sewers and drainage channels, was the largest undertaking of its kind when completed between 1924 and 1931.","title":"River des Peres Sewage \u0026 Drainage Works, 1924 - 1931","link":"","lat":38.61666667,"lon":-90.26666667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Robbins_%26_Lawrence_Machine_Shop\" title=\"ASME-Landmark:Robbins \u0026amp; Lawrence Machine Shop\"\u003ERobbins \u0026amp; Lawrence Machine Shop\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe 1846 Robbins \u0026amp; Lawrence Machine Sh\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The 1846 Robbins \u0026amp; Lawrence Machine Shop, which now houses the American Precision Museum (National Engineering Landmark #119), was founded by gun-making mechanic Richard S. Lawrence and businessman Samuel E. Robbins. The building is a classic example of mid-19th century factory architecture, constructed of handmade brick with interior timber framing. The adjacent Mill Brook provided the water power to run the machinery, diverted to a mill race and water wheel in the basement.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe 1846 Robbins \u0026 Lawrence Machine Shop, which now houses the American Precision Museum (National Engineering Landmark #119), was founded by gun-making mechanic Richard S. Lawrence and businessman Samuel E. Robbins. The building is a classic example of mid-19th century factory architecture, constructed of handmade brick with interior timber framing. The adjacent Mill Brook provided the water power to run the machinery, diverted to a mill race and water wheel in the basement.\u003C/span\u003E\u003C/span\u003Eo a mill race and water wheel in the basement.","title":"Robbins \u0026 Lawrence Machine Shop","link":"","lat":43.474777,"lon":-72.389555,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Rockville_Stone_Arch_Bridge,_1902\" title=\"ASCE-Landmark:Rockville Stone Arch Bridge, 1902\"\u003ERockville Stone Arch Bridge, 1902\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen opened, the Rockville Stone Arch Bridge represented the zenith of American stone arch construction. This span is one of the longest (3,820 feet) and widest (52 feet) multiple stone arch bridges in the world.","title":"Rockville Stone Arch Bridge, 1902","link":"","lat":40.3334,"lon":-76.9103,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Rocky_River_Pumped-Storage_Hydroelectric_Plant\" title=\"ASME-Landmark:Rocky River Pumped-Storage Hydroelectric Plant\"\u003ERocky River Pumped-Storage Hydroelectric Plant\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Connecticut Light \u0026amp; Power Company pioneered the use of pumped storage in the United States at the Rocky River Plant, first operated in 1929.","title":"Rocky River Pumped-Storage Hydroelectric Plant","link":"","lat":41.731643,"lon":-72.623684,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Rocky_River_Pumped_Storage_Hydraulic_Plant,_1929\" title=\"ASCE-Landmark:Rocky River Pumped Storage Hydraulic Plant, 1929\"\u003ERocky River Pumped Storage Hydraulic Plant, 1929\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Rocky River Pumped Storage Hydroelectric Plant was the first major pumped storage hydroelectric project in the United States.","title":"Rocky River Pumped Storage Hydraulic Plant, 1929","link":"","lat":41.58333333,"lon":-73.4,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Roebling%27s_Delaware_Aqueduct,_1848\" title=\"ASCE-Landmark:Roebling\u0026#039;s Delaware Aqueduct, 1848\"\u003ERoebling's Delaware Aqueduct, 1848\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Delaware Aqueduct was John A. Roebling\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Delaware Aqueduct was John A. Roebling\u2019s earliest. Still-standing, this suspension bridge is perhaps the oldest existing cable suspension bridge in the world that retains its original principal elements. It was completely restored by the National Park Service in 1983.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Delaware Aqueduct was John A. Roebling\u2019s earliest. Still-standing, this suspension bridge is perhaps the oldest existing cable suspension bridge in the world that retains its original principal elements. It was completely restored by the National Park Service in 1983.\u003C/span\u003E\u003C/span\u003Eored by the National Park Service in 1983.","title":"Roebling's Delaware Aqueduct, 1848","link":"","lat":41.4825,"lon":-74.98444444,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Roebling_80-Ton_Wire_Rope_Machine\" title=\"ASME-Landmark:Roebling 80-Ton Wire Rope Machine\"\u003ERoebling 80-Ton Wire Rope Machine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe only remaining Roebling machine was de\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The only remaining Roebling machine was designed by Charles G. Roebling (1849-1918), engineer and president of the Trenton-based Roebling Company from 1876 to 1918. Built in 1893, it was the largest wire-rope closing machine in its time. The machine twisted six strands around a central core rope. These seven combined in the machine\u0026#039;s forming die to produce a finished rope, a process known as closing. The machine was built to produce 1.5-inch rope for cable railways; 80 tons could be loaded at a single spinning, which provided 30,000 feet of unspliced cable at a batch. Roebling\u0026#039;s was a vertical machine, standing 64 feet, requiring the machine and building to be built as a unit.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe only remaining Roebling machine was designed by Charles G. Roebling (1849-1918), engineer and president of the Trenton-based Roebling Company from 1876 to 1918. Built in 1893, it was the largest wire-rope closing machine in its time. The machine twisted six strands around a central core rope. These seven combined in the machine's forming die to produce a finished rope, a process known as closing. The machine was built to produce 1.5-inch rope for cable railways; 80 tons could be loaded at a single spinning, which provided 30,000 feet of unspliced cable at a batch. Roebling's was a vertical machine, standing 64 feet, requiring the machine and building to be built as a unit.\u003C/span\u003E\u003C/span\u003Eachine and building to be built as a unit.","title":"Roebling 80-Ton Wire Rope Machine","link":"","lat":40.118672,"lon":-74.773301,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Rogue_River_Bridge,_1931\" title=\"ASCE-Landmark:Rogue River Bridge, 1931\"\u003ERogue River Bridge, 1931\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Rogue River Bridge, a seven-span arch bridge, was the first major structure in America to use the concept of the pre-stressed concrete arch.","title":"Rogue River Bridge, 1931","link":"","lat":42.43333333,"lon":-124.4166667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Roosa_Master_Diesel_Fuel-Injection_Pump\" title=\"ASME-Landmark:Roosa Master Diesel Fuel-Injection Pump\"\u003ERoosa Master Diesel Fuel-Injection Pump\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Hartford Machine Screw Company was fou\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Hartford Machine Screw Company was founded in 1876 by Christopher Spencer for the production of fasteners on the Hartford automatic screw machine. The company began to produce airplane parts in the 1920s, in 1947, Vernon Roosa\u0026#039;s 1941 invention of the rotary distributor-type diesel fuel injection pump came to the company\u0026#039;s attention. At that time, Roosa was in New York City repairing and maintaining diesel-electric generator sets; in June 1947, Roosa and development engineer Ernest J. Wilson Willson went to Hartford to develop the concept for the pump, and by 1952 they had landed its first contract.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Hartford Machine Screw Company was founded in 1876 by Christopher Spencer for the production of fasteners on the Hartford automatic screw machine. The company began to produce airplane parts in the 1920s, in 1947, Vernon Roosa's 1941 invention of the rotary distributor-type diesel fuel injection pump came to the company's attention. At that time, Roosa was in New York City repairing and maintaining diesel-electric generator sets; in June 1947, Roosa and development engineer Ernest J. Wilson Willson went to Hartford to develop the concept for the pump, and by 1952 they had landed its first contract.\u003C/span\u003E\u003C/span\u003Ey 1952 they had landed its first contract.","title":"Roosa Master Diesel Fuel-Injection Pump","link":"","lat":41.818704,"lon":-72.649599,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Rotating-Arm_Model-Test_Facility\" title=\"ASME-Landmark:Rotating-Arm Model-Test Facility\"\u003ERotating-Arm Model-Test Facility\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBuilt at the Stevens Institute of Technolo\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Built at the Stevens Institute of Technology thanks to the pioneering efforts of Professor Kenneth S.M. Davidson (1898-1958), the Davidson Laboratory Rotating-Arm Model-Test Facility was the first in the world to conduct experiments for obtaining comprehensive measurements of those forces and moments necessary to define the maneuverability and control of surface ships, submersibles, and airships.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EBuilt at the Stevens Institute of Technology thanks to the pioneering efforts of Professor Kenneth S.M. Davidson (1898-1958), the Davidson Laboratory Rotating-Arm Model-Test Facility was the first in the world to conduct experiments for obtaining comprehensive measurements of those forces and moments necessary to define the maneuverability and control of surface ships, submersibles, and airships.\u003C/span\u003E\u003C/span\u003Esurface ships, submersibles, and airships.","title":"Rotating-Arm Model-Test Facility","link":"","lat":40.745077,"lon":-74.027306,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Royal_Colonial_Boundary_of_1665,_1728-1821\" title=\"ASCE-Landmark:Royal Colonial Boundary of 1665, 1728-1821\"\u003ERoyal Colonial Boundary of 1665, 1728-1821\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWith personal courage, dedication, and tec\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"With personal courage, dedication, and technical innovation in the art and science of cadastral and geodetic survey practice, the survey of the Royal Colonial Boundary, located in what is now Cumberland Gap National Park, Kentucky, reached the Mississippi River in 1819.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EWith personal courage, dedication, and technical innovation in the art and science of cadastral and geodetic survey practice, the survey of the Royal Colonial Boundary, located in what is now Cumberland Gap National Park, Kentucky, reached the Mississippi River in 1819.\u003C/span\u003E\u003C/span\u003Eky, reached the Mississippi River in 1819.","title":"Royal Colonial Boundary of 1665, 1728-1821","link":"","lat":36.6,"lon":-83.67555556,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Rumely_Companies%27_Agricultural_Products\" title=\"ASME-Landmark:Rumely Companies\u0026#039; Agricultural Products\"\u003ERumely Companies' Agricultural Products\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBeginning with the 1853 blacksmith shop of\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Beginning with the 1853 blacksmith shop of German immigrant Meinrad Rumely (1823-1904), this successive family of firms invented and produced a line of agricultural equipment that played a vital role in the evolution of farming, from the muscle of humans and animals to the power of the steam and ultimately to the internal-combustion engine.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EBeginning with the 1853 blacksmith shop of German immigrant Meinrad Rumely (1823-1904), this successive family of firms invented and produced a line of agricultural equipment that played a vital role in the evolution of farming, from the muscle of humans and animals to the power of the steam and ultimately to the internal-combustion engine.\u003C/span\u003E\u003C/span\u003Eimately to the internal-combustion engine.","title":"Rumely Companies' Agricultural Products","link":"","lat":41.610596,"lon":-86.725096,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:SS_Badger_Carferry\" title=\"ASME-Landmark:SS Badger Carferry\"\u003ESS Badger Carferry\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ENow a rare mode of transportation, the S.S\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Now a rare mode of transportation, the S.S. Badger ferries car-passengers between Ludington, Michigan, and Manitowoc, Wisconsin. The two 3,500-hp steeple compound Unaflow steam engines powering the S.S. Badger represent one of the last types of reciprocating marine steam engines. Built by the Skinner Engine Company, most Unaflow engines are single expansion. These feature tandem high- and low-pressure cylinders separated by a common head. The Badger\u0026#039;s four Foster-Wheeler Type D marine boilers, which supply 470-psig steam to the engines, are among the last coal-fired marine boilers built.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003ENow a rare mode of transportation, the S.S. Badger ferries car-passengers between Ludington, Michigan, and Manitowoc, Wisconsin. The two 3,500-hp steeple compound Unaflow steam engines powering the S.S. Badger represent one of the last types of reciprocating marine steam engines. Built by the Skinner Engine Company, most Unaflow engines are single expansion. These feature tandem high- and low-pressure cylinders separated by a common head. The Badger's four Foster-Wheeler Type D marine boilers, which supply 470-psig steam to the engines, are among the last coal-fired marine boilers built.\u003C/span\u003E\u003C/span\u003E the last coal-fired marine boilers built.","title":"SS Badger Carferry","link":"","lat":43.94919,"lon":-86.450298,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:SS_Great_Britain\" title=\"ASME-Landmark:SS Great Britain\"\u003ESS Great Britain\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe innovative SS Great Britain, launched \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The innovative SS Great Britain, launched in 1843, was the first iron-hulled, screw-propelled ship to cross any ocean. At 3270 gross register tons and an overall length of 322 feet, the SS Great Britain was the largest ship in the world at the time of its launch.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe innovative SS Great Britain, launched in 1843, was the first iron-hulled, screw-propelled ship to cross any ocean. At 3270 gross register tons and an overall length of 322 feet, the SS Great Britain was the largest ship in the world at the time of its launch.\u003C/span\u003E\u003C/span\u003Eip in the world at the time of its launch.","title":"SS Great Britain","link":"","lat":51.449211,"lon":-2.608577,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:SS_Jeremiah_O%27Brien\" title=\"ASME-Landmark:SS Jeremiah O\u0026#039;Brien\"\u003ESS Jeremiah O'Brien\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe SS Jeremiah O'Brien, an emergency carg\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The SS Jeremiah O\u0026#039;Brien, an emergency cargo vessel of the type EC2-S-C1 (better known as Liberty Ships), is one of two operative survivors of 2,751 ships produced by 18 U.S. shipyards between March 1941 and November 1945, the largest fleet of single class ever built. The design stressed minimum cost, rapidity of construction, and simplicity of operation, and the O\u0026#039;Brien\u0026#039;s original design and configuration have not been altered.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe SS Jeremiah O'Brien, an emergency cargo vessel of the type EC2-S-C1 (better known as Liberty Ships), is one of two operative survivors of 2,751 ships produced by 18 U.S. shipyards between March 1941 and November 1945, the largest fleet of single class ever built. The design stressed minimum cost, rapidity of construction, and simplicity of operation, and the O'Brien's original design and configuration have not been altered.\u003C/span\u003E\u003C/span\u003En and configuration have not been altered.","title":"SS Jeremiah O'Brien","link":"","lat":37.811208,"lon":-122.418554,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Salginatobel_Bridge,_1930\" title=\"ASCE-Landmark:Salginatobel Bridge, 1930\"\u003ESalginatobel Bridge, 1930\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EDesigned by Robert Maillart, the Salginatobel Bridge represents a major innovation of structural type \u2013 the three-hinged, hollow-bow arch of reinforced concrete \u2013 using a new method of staged-arch construction.","title":"Salginatobel Bridge, 1930","link":"","lat":46.98181944,"lon":9.717725,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:San_Antonio_River_Walk_%26_Flood_Control_system,_1929_-_1941\" title=\"ASCE-Landmark:San Antonio River Walk \u0026amp; Flood Control system, 1929 - 1941\"\u003ESan Antonio River Walk \u0026amp; Flood Control system, 1929 - 1941\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe San Antonio River Walk \u0026amp; Flood Con\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The San Antonio River Walk \u0026amp; Flood Control system has proven extremely successful in controlling San Antonio\u2019s devastating urban flooding problem. In addition, the engineering design pioneered the sensitive and effective blending of architectural, historical, environmental and urban development needs.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe San Antonio River Walk \u0026 Flood Control system has proven extremely successful in controlling San Antonio\u2019s devastating urban flooding problem. In addition, the engineering design pioneered the sensitive and effective blending of architectural, historical, environmental and urban development needs.\u003C/span\u003E\u003C/span\u003Eal, environmental and urban development needs.","title":"San Antonio River Walk \u0026 Flood Control system, 1929 - 1941","link":"","lat":29.41666667,"lon":-98.5,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:San_Francisco-Oakland_Bay_Bridge,_1936\" title=\"ASCE-Landmark:San Francisco-Oakland Bay Bridge, 1936\"\u003ESan Francisco-Oakland Bay Bridge, 1936\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe San Francisco-Oakland Bay Bridge was the longest crossing over water and most costly bridge of its time. Construction was possible due to the use of compressed-air flotation caissons.","title":"San Francisco-Oakland Bay Bridge, 1936","link":"","lat":37.81666667,"lon":-122.3666667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:San_Jacinto_Monument,_1939\" title=\"ASCE-Landmark:San Jacinto Monument, 1939\"\u003ESan Jacinto Monument, 1939\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe San Jacinto Monument was the world\u2019s t\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The San Jacinto Monument was the world\u2019s tallest free-standing concrete tower at the time of construction. The precise monitoring of foundation settlement provided data for testing Dr. Karl Terzaghi\u2019s consolidation theory, a fundamental component of soil mechanics.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe San Jacinto Monument was the world\u2019s tallest free-standing concrete tower at the time of construction. The precise monitoring of foundation settlement provided data for testing Dr. Karl Terzaghi\u2019s consolidation theory, a fundamental component of soil mechanics.\u003C/span\u003E\u003C/span\u003Ea fundamental component of soil mechanics.","title":"San Jacinto Monument, 1939","link":"","lat":29.75,"lon":-95.08333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Saturn_V_Rocket_-_Alabama\" title=\"ASME-Landmark:Saturn V Rocket - Alabama\"\u003ESaturn V Rocket - Alabama\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn 1961, President John F. Kennedy announc\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In 1961, President John F. Kennedy announced the United States\u0026#039; intention to send a man to the moon. When the decision to undertake a manned lunar landing effort was made, there was no rocket in the country even approaching the needed capability. On January 10, 1962, the NationalAeronautics and Space Administration announced that it would develop a new rocket, much larger than any previously attempted. It would be based on the F-1 rocket engine, the development of which had been underway since 1958, and on the hydrogen-fueled J-2 engine, upon which work had begun in 1960.In 1961, President John F. Kennedy announced the United States\u0026#039; intention to send a man to the moon. When the decision to undertake a manned lunar landing effort was made, there was no rocket in the country even approaching the needed capability. On January 10, 1962, the NationalAeronautics and Space Administration announced that it would develop a new rocket, much larger than any previously attempted. It would be based on the F-1 rocket engine, the development of which had been underway since 1958, and on the hydrogen-fueled J-2 engine, upon which work had begun in 1960.In 1961, President John F. Kennedy announced the United States\u0026#039; intention to send a man to the moon. When the decision to undertake a manned lunar landing effort was made, there was no rocket in the country even approaching the needed capability. On January 10, 1962, the NationalAeronautics and Space Administration announced that it would develop a new rocket, much larger than any previously attempted. It would be based on the F-1 rocket engine, the development of which had been underway since 1958, and on the hydrogen-fueled J-2 engine, upon which work had begun in 1960.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn 1961, President John F. Kennedy announced the United States' intention to send a man to the moon. When the decision to undertake a manned lunar landing effort was made, there was no rocket in the country even approaching the needed capability. On January 10, 1962, the National\u0026lt;/br\u0026gt;Aeronautics and Space Administration announced that it would develop a new rocket, much larger than any previously attempted. It would be based on the F-1 rocket engine, the development of which had been underway since 1958, and on the hydrogen-fueled J-2 engine, upon which work had begun in 1960.\u0026lt;/br\u0026gt;In 1961, President John F. Kennedy announced the United States' intention to send a man to the moon. When the decision to undertake a manned lunar landing effort was made, there was no rocket in the country even approaching the needed capability. On January 10, 1962, the National\u0026lt;/br\u0026gt;Aeronautics and Space Administration announced that it would develop a new rocket, much larger than any previously attempted. It would be based on the F-1 rocket engine, the development of which had been underway since 1958, and on the hydrogen-fueled J-2 engine, upon which work had begun in 1960.\u0026lt;/br\u0026gt;In 1961, President John F. Kennedy announced the United States' intention to send a man to the moon. When the decision to undertake a manned lunar landing effort was made, there was no rocket in the country even approaching the needed capability. On January 10, 1962, the National\u0026lt;/br\u0026gt;Aeronautics and Space Administration announced that it would develop a new rocket, much larger than any previously attempted. It would be based on the F-1 rocket engine, the development of which had been underway since 1958, and on the hydrogen-fueled J-2 engine, upon which work had begun in 1960.\u003C/span\u003E\u003C/span\u003Eengine, upon which work had begun in 1960.","title":"Saturn V Rocket - Alabama","link":"","lat":34.648978,"lon":-86.668922,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Saturn_V_Rocket_-_Florida\" title=\"ASME-Landmark:Saturn V Rocket - Florida\"\u003ESaturn V Rocket - Florida\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn 1961, President John F. Kennedy announc\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In 1961, President John F. Kennedy announced the United States\u0026#039; intention to send a man to the moon. When the decision to undertake a manned lunar landing effort was made, there was no rocket in the country even approaching the needed capability. On January 10, 1962, the NationalAeronautics and Space Administration announced that it would develop a new rocket, much larger than any previously attempted. It would be based on the F-1 rocket engine, the development of which had been underway since 1958, and on the hydrogen-fueled J-2 engine, upon which work had begun in 1960.In 1961, President John F. Kennedy announced the United States\u0026#039; intention to send a man to the moon. When the decision to undertake a manned lunar landing effort was made, there was no rocket in the country even approaching the needed capability. On January 10, 1962, the NationalAeronautics and Space Administration announced that it would develop a new rocket, much larger than any previously attempted. It would be based on the F-1 rocket engine, the development of which had been underway since 1958, and on the hydrogen-fueled J-2 engine, upon which work had begun in 1960.In 1961, President John F. Kennedy announced the United States\u0026#039; intention to send a man to the moon. When the decision to undertake a manned lunar landing effort was made, there was no rocket in the country even approaching the needed capability. On January 10, 1962, the NationalAeronautics and Space Administration announced that it would develop a new rocket, much larger than any previously attempted. It would be based on the F-1 rocket engine, the development of which had been underway since 1958, and on the hydrogen-fueled J-2 engine, upon which work had begun in 1960.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn 1961, President John F. Kennedy announced the United States' intention to send a man to the moon. When the decision to undertake a manned lunar landing effort was made, there was no rocket in the country even approaching the needed capability. On January 10, 1962, the National\u0026lt;/br\u0026gt;Aeronautics and Space Administration announced that it would develop a new rocket, much larger than any previously attempted. It would be based on the F-1 rocket engine, the development of which had been underway since 1958, and on the hydrogen-fueled J-2 engine, upon which work had begun in 1960.\u0026lt;/br\u0026gt;In 1961, President John F. Kennedy announced the United States' intention to send a man to the moon. When the decision to undertake a manned lunar landing effort was made, there was no rocket in the country even approaching the needed capability. On January 10, 1962, the National\u0026lt;/br\u0026gt;Aeronautics and Space Administration announced that it would develop a new rocket, much larger than any previously attempted. It would be based on the F-1 rocket engine, the development of which had been underway since 1958, and on the hydrogen-fueled J-2 engine, upon which work had begun in 1960.\u0026lt;/br\u0026gt;In 1961, President John F. Kennedy announced the United States' intention to send a man to the moon. When the decision to undertake a manned lunar landing effort was made, there was no rocket in the country even approaching the needed capability. On January 10, 1962, the National\u0026lt;/br\u0026gt;Aeronautics and Space Administration announced that it would develop a new rocket, much larger than any previously attempted. It would be based on the F-1 rocket engine, the development of which had been underway since 1958, and on the hydrogen-fueled J-2 engine, upon which work had begun in 1960.\u003C/span\u003E\u003C/span\u003Eengine, upon which work had begun in 1960.","title":"Saturn V Rocket - Florida","link":"","lat":28.572844,"lon":-80.649002,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Saturn_V_Rocket_-_Texas\" title=\"ASME-Landmark:Saturn V Rocket - Texas\"\u003ESaturn V Rocket - Texas\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn 1961, President John F. Kennedy announc\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In 1961, President John F. Kennedy announced the United States\u0026#039; intention to send a man to the moon. When the decision to undertake a manned lunar landing effort was made, there was no rocket in the country even approaching the needed capability. On January 10, 1962, the NationalAeronautics and Space Administration announced that it would develop a new rocket, much larger than any previously attempted. It would be based on the F-1 rocket engine, the development of which had been underway since 1958, and on the hydrogen-fueled J-2 engine, upon which work had begun in 1960.In 1961, President John F. Kennedy announced the United States\u0026#039; intention to send a man to the moon. When the decision to undertake a manned lunar landing effort was made, there was no rocket in the country even approaching the needed capability. On January 10, 1962, the NationalAeronautics and Space Administration announced that it would develop a new rocket, much larger than any previously attempted. It would be based on the F-1 rocket engine, the development of which had been underway since 1958, and on the hydrogen-fueled J-2 engine, upon which work had begun in 1960.In 1961, President John F. Kennedy announced the United States\u0026#039; intention to send a man to the moon. When the decision to undertake a manned lunar landing effort was made, there was no rocket in the country even approaching the needed capability. On January 10, 1962, the NationalAeronautics and Space Administration announced that it would develop a new rocket, much larger than any previously attempted. It would be based on the F-1 rocket engine, the development of which had been underway since 1958, and on the hydrogen-fueled J-2 engine, upon which work had begun in 1960.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn 1961, President John F. Kennedy announced the United States' intention to send a man to the moon. When the decision to undertake a manned lunar landing effort was made, there was no rocket in the country even approaching the needed capability. On January 10, 1962, the National\u0026lt;/br\u0026gt;Aeronautics and Space Administration announced that it would develop a new rocket, much larger than any previously attempted. It would be based on the F-1 rocket engine, the development of which had been underway since 1958, and on the hydrogen-fueled J-2 engine, upon which work had begun in 1960.\u0026lt;/br\u0026gt;In 1961, President John F. Kennedy announced the United States' intention to send a man to the moon. When the decision to undertake a manned lunar landing effort was made, there was no rocket in the country even approaching the needed capability. On January 10, 1962, the National\u0026lt;/br\u0026gt;Aeronautics and Space Administration announced that it would develop a new rocket, much larger than any previously attempted. It would be based on the F-1 rocket engine, the development of which had been underway since 1958, and on the hydrogen-fueled J-2 engine, upon which work had begun in 1960.\u0026lt;/br\u0026gt;In 1961, President John F. Kennedy announced the United States' intention to send a man to the moon. When the decision to undertake a manned lunar landing effort was made, there was no rocket in the country even approaching the needed capability. On January 10, 1962, the National\u0026lt;/br\u0026gt;Aeronautics and Space Administration announced that it would develop a new rocket, much larger than any previously attempted. It would be based on the F-1 rocket engine, the development of which had been underway since 1958, and on the hydrogen-fueled J-2 engine, upon which work had begun in 1960.\u003C/span\u003E\u003C/span\u003Eengine, upon which work had begun in 1960.","title":"Saturn V Rocket - Texas","link":"","lat":29.552893,"lon":-95.09339,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Saugus_Ironworks\" title=\"ASME-Landmark:Saugus Ironworks\"\u003ESaugus Ironworks\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Saugus Ironworks, built in 1647, was t\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Saugus Ironworks, built in 1647, was the first successful commercial ironworks in North America and, built just 25 years after the Pilgrims landed, was an impressive technological achievement for an early colony. Migration to the colonies had slowed in the 1630s, bringing fewer supply ships from Europe, and the British government offered incentives to develop manufacturing in the colonies and take advantage of New England\u0026#039;s vast resources. Skilled ironworkers were recruited to start the Hammersmith community, as it was then called, in the Massachusetts Bay Colony.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Saugus Ironworks, built in 1647, was the first successful commercial ironworks in North America and, built just 25 years after the Pilgrims landed, was an impressive technological achievement for an early colony. Migration to the colonies had slowed in the 1630s, bringing fewer supply ships from Europe, and the British government offered incentives to develop manufacturing in the colonies and take advantage of New England's vast resources. Skilled ironworkers were recruited to start the Hammersmith community, as it was then called, in the Massachusetts Bay Colony.\u003C/span\u003E\u003C/span\u003En called, in the Massachusetts Bay Colony.","title":"Saugus Ironworks","link":"","lat":42.467974,"lon":-71.008892,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Sault_Ste._Marie_Hydroelectric_Power_complex,_1902\" title=\"ASCE-Landmark:Sault Ste. Marie Hydroelectric Power complex, 1902\"\u003ESault Ste. Marie Hydroelectric Power complex, 1902\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen completed, the Sault Ste. Marie Hydroelectric Power Complex was the largest low-head facility in the United States, with a canal that carried 30,000 cubic feet per second.","title":"Sault Ste. Marie Hydroelectric Power complex, 1902","link":"","lat":46.49743,"lon":-84.33213,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Second_Street_Bridge,_1886\" title=\"ASCE-Landmark:Second Street Bridge, 1886\"\u003ESecond Street Bridge, 1886\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Second Street Bridge\u2014a 225-foot span, Whipple double intersection through truss\u2014represented the culmination of an era during which cast iron was replaced by the far more reliable wrought iron as an engineering material.","title":"Second Street Bridge, 1886","link":"","lat":42.5258,"lon":-85.8484,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Seventh_Street_Improvement_Arches,_1884\" title=\"ASCE-Landmark:Seventh Street Improvement Arches, 1884\"\u003ESeventh Street Improvement Arches, 1884\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Seventh Street Improvement Arches celebrates the engineering application of mathematics to improve living conditions. It is currently one of the only documented examples of helicoidal arch construction in the United States.","title":"Seventh Street Improvement Arches, 1884","link":"","lat":44.95722222,"lon":-93.07638889,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Sewall%27s_Bridge,_1761\" title=\"ASCE-Landmark:Sewall\u0026#039;s Bridge, 1761\"\u003ESewall's Bridge, 1761\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBuilt over the York River, Sewall\u2019s Bridge was the first pile structure for general highway traffic constructed in accordance with an engineering plan based upon a site survey.","title":"Sewall's Bridge, 1761","link":"","lat":43.16333333,"lon":-70.64861111,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Shannon_Hydroelectric_Scheme,_1929\" title=\"ASCE-Landmark:Shannon Hydroelectric Scheme, 1929\"\u003EShannon Hydroelectric Scheme, 1929\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EBy international standards, the Shannon Hydroelectric Scheme for the electrification of the Irish Free State was one of the largest civil engineering projects at the time it was built","title":"Shannon Hydroelectric Scheme, 1929","link":"","lat":52.70555556,"lon":-8.612777778,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Shippingport_Nuclear_Power_Station\" title=\"ASME-Landmark:Shippingport Nuclear Power Station\"\u003EShippingport Nuclear Power Station\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe first commercial central electric-gene\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The first commercial central electric-generating station in the United States to use nuclear energy was the Shippingport Atomic Power Station of the Department of Energy and the Duquesne Light Company. In a dramatic high-tech display, ground was broken in 1954 during dedication ceremonies by President Dwight D. Eisenhower, who also opened it on May 26, 1958, as part of his \u0026quot;Atoms for Peace\u0026quot; program. Shippingport is located on the Ohio River about 25 miles from Pittsburgh. The reactor plant was designed by the Westinghouse Electric Corporation in cooperation with the Division of Naval Reactors of the Atomic Energy Commission.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe first commercial central electric-generating station in the United States to use nuclear energy was the Shippingport Atomic Power Station of the Department of Energy and the Duquesne Light Company. In a dramatic high-tech display, ground was broken in 1954 during dedication ceremonies by President Dwight D. Eisenhower, who also opened it on May 26, 1958, as part of his \"Atoms for Peace\" program. Shippingport is located on the Ohio River about 25 miles from Pittsburgh. The reactor plant was designed by the Westinghouse Electric Corporation in cooperation with the Division of Naval Reactors of the Atomic Energy Commission.\u003C/span\u003E\u003C/span\u003E Reactors of the Atomic Energy Commission.","title":"Shippingport Nuclear Power Station","link":"","lat":40.621111,"lon":-80.435278,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Sholes_%26_Glidden_%22Type_Writer%22\" title=\"ASME-Landmark:Sholes \u0026amp; Glidden \u0026quot;Type Writer\u0026quot;\"\u003ESholes \u0026amp; Glidden \"Type Writer\"\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EDesigned in 1873 by Christopher Latham Sho\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Designed in 1873 by Christopher Latham Sholes (1819-1890), with Carlos Glidden, Samuel Soul\u00e9, and Mathias Schwalbach, the Sholes \u0026amp; Glidden \u0026quot;Type Writer\u0026quot; was the first commercially successful device that rapidly printed alphanumeric characters on paper in any order.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EDesigned in 1873 by Christopher Latham Sholes (1819-1890), with Carlos Glidden, Samuel Soul\u00e9, and Mathias Schwalbach, the Sholes \u0026 Glidden \"Type Writer\" was the first commercially successful device that rapidly printed alphanumeric characters on paper in any order.\u003C/span\u003E\u003C/span\u003Ealphanumeric characters on paper in any order.","title":"Sholes \u0026 Glidden \"Type Writer\"","link":"","lat":43.040694,"lon":-87.921357,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Siegfried_Marcus_Car\" title=\"ASME-Landmark:Siegfried Marcus Car\"\u003ESiegfried Marcus Car\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ESiegfried Marcus (1833-1898) is responsibl\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Siegfried Marcus (1833-1898) is responsible for creating the oldest extant automobile known worldwide, an experimental vehicle resembling today\u0026#039;s modern car. Built circa 1875, the car is believed to be the first vehicle powered by a four-cycle engine and the first to use gasoline as a fuel, featuring the first carburetor for a gasoline engine and the first magneto ignition. This vehicle, still operable, is now on display at the Vienna Technical Museum.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003ESiegfried Marcus (1833-1898) is responsible for creating the oldest extant automobile known worldwide, an experimental vehicle resembling today's modern car. Built circa 1875, the car is believed to be the first vehicle powered by a four-cycle engine and the first to use gasoline as a fuel, featuring the first carburetor for a gasoline engine and the first magneto ignition. This vehicle, still operable, is now on display at the Vienna Technical Museum.\u003C/span\u003E\u003C/span\u003Eon display at the Vienna Technical Museum.","title":"Siegfried Marcus Car","link":"","lat":48.190935,"lon":16.318069,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Sikorsky_VS-300_Helicopter\" title=\"ASME-Landmark:Sikorsky VS-300 Helicopter\"\u003ESikorsky VS-300 Helicopter\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIgor I. Sikorsky's VS-300 was America's fi\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Igor I. Sikorsky\u0026#039;s VS-300 was America\u0026#039;s first practical helicopter. It was also the first successful helicopter in the world to pioneer the now-familiar single main rotor with torque-compensating tail rotor design. This has been the standard configuration used by most of the world\u0026#039;s helicopter manufacturers ever since.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIgor I. Sikorsky's VS-300 was America's first practical helicopter. It was also the first successful helicopter in the world to pioneer the now-familiar single main rotor with torque-compensating tail rotor design. This has been the standard configuration used by most of the world's helicopter manufacturers ever since.\u003C/span\u003E\u003C/span\u003Erld's helicopter manufacturers ever since.","title":"Sikorsky VS-300 Helicopter","link":"","lat":42.30314,"lon":-83.233109,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Site_of_the_Founding_Meeting_of_ASCE,_1852\" title=\"ASCE-Landmark:Site of the Founding Meeting of ASCE, 1852\"\u003ESite of the Founding Meeting of ASCE, 1852\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen the twelve founders of the American S\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"When the twelve founders of the American Society of Civil Engineers and Architects gathered at the Croton Aqueduct on November 5, 1852, and agreed to incorporate the new organization, they laid a foundation for what proved to be one of the most prominent engineering societies in the world.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EWhen the twelve founders of the American Society of Civil Engineers and Architects gathered at the Croton Aqueduct on November 5, 1852, and agreed to incorporate the new organization, they laid a foundation for what proved to be one of the most prominent engineering societies in the world.\u003C/span\u003E\u003C/span\u003Eminent engineering societies in the world.","title":"Site of the Founding Meeting of ASCE, 1852","link":"","lat":40.71277778,"lon":-74.00583333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Smithfield_Street_Bridge,_1883\" title=\"ASCE-Landmark:Smithfield Street Bridge, 1883\"\u003ESmithfield Street Bridge, 1883\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Smithfield Street Bridge represented a\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Smithfield Street Bridge represented a unique adaptation of a contemporary European engineering device, the lenticular truss, to suit American needs. It served as a guide for the many highway bridges of similar design built in America during the ensuing decades.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Smithfield Street Bridge represented a unique adaptation of a contemporary European engineering device, the lenticular truss, to suit American needs. It served as a guide for the many highway bridges of similar design built in America during the ensuing decades.\u003C/span\u003E\u003C/span\u003Eilt in America during the ensuing decades.","title":"Smithfield Street Bridge, 1883","link":"","lat":40.43472222,"lon":-80.00222222,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Snoqualmie_Falls_Cavity_Generating_Station,_1899\" title=\"ASCE-Landmark:Snoqualmie Falls Cavity Generating Station, 1899\"\u003ESnoqualmie Falls Cavity Generating Station, 1899\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe concept of an underground hydroelectric station was first successfully achieved at the Snoqualmie Falls Cavity Generating Station. This innovation has since been applied successfully in many other sites throughout the world.","title":"Snoqualmie Falls Cavity Generating Station, 1899","link":"","lat":47.54192,"lon":-121.83685,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Snowy_Mountains_Hydo-electric_Scheme,_1947-1972\" title=\"ASCE-Landmark:Snowy Mountains Hydo-electric Scheme, 1947-1972\"\u003ESnowy Mountains Hydo-electric Scheme, 1947-1972\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Snowy Mountains Hydroelectric Scheme i\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Snowy Mountains Hydroelectric Scheme is a world class civil engineering project that provides vital electric power and irrigation water. Its construction remains the largest construction project in Australia, and one of the largest of its type in the world.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Snowy Mountains Hydroelectric Scheme is a world class civil engineering project that provides vital electric power and irrigation water. Its construction remains the largest construction project in Australia, and one of the largest of its type in the world.\u003C/span\u003E\u003C/span\u003Ee of the largest of its type in the world.","title":"Snowy Mountains Hydo-electric Scheme, 1947-1972","link":"","lat":-36.12,"lon":148.6,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Solar_Energy_and_Energy_Conversion_Laboratory\" title=\"ASME-Landmark:Solar Energy and Energy Conversion Laboratory\"\u003ESolar Energy and Energy Conversion Laboratory\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThis highly diverse Solar Energy and Energ\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"This highly diverse Solar Energy and Energy Conversion Laboratory (SEECL) was unique in developing practical solar energy devices based on established principles of thermodynamics, heat transfer, and fluid mechanics long before solar energy was considered a serious energy alternative. Among its many significant technological accomplishments are advanced solar collector designs, solar-assisted HVAC systems, space power systems, breakthroughs in solar-based housing, and development of advanced materials including glazings and highly selective surfaces. Both the U.S. Department of State and the United Nations have recognized this facility for its global accomplishments in training and innovation.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThis highly diverse Solar Energy and Energy Conversion Laboratory (SEECL) was unique in developing practical solar energy devices based on established principles of thermodynamics, heat transfer, and fluid mechanics long before solar energy was considered a serious energy alternative. Among its many significant technological accomplishments are advanced solar collector designs, solar-assisted HVAC systems, space power systems, breakthroughs in solar-based housing, and development of advanced materials including glazings and highly selective surfaces. Both the U.S. Department of State and the United Nations have recognized this facility for its global accomplishments in training and innovation.\u003C/span\u003E\u003C/span\u003Eccomplishments in training and innovation.","title":"Solar Energy and Energy Conversion Laboratory","link":"","lat":29.648396,"lon":-82.348542,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Southern_Gas_Association-PCRC_Analog_Facility\" title=\"ASME-Landmark:Southern Gas Association-PCRC Analog Facility\"\u003ESouthern Gas Association-PCRC Analog Facility\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Southern Gas Association (SGA) analog \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Southern Gas Association (SGA) analog was commissioned by the Pipeline and Compressor Research Council (PCRC) to help design safe compressor systems, free from damaging pulsations. Built in 1955, the analog computer is the first device of its kind applied to natural gas pipeline systems and has been used to create or modify more than 10,000 installations worldwide in natural gas, petroleum, chemical, and nuclear industries. Analog computers predict physical behavior by simulating it in analogous processes instead of solving equations.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Southern Gas Association (SGA) analog was commissioned by the Pipeline and Compressor Research Council (PCRC) to help design safe compressor systems, free from damaging pulsations. Built in 1955, the analog computer is the first device of its kind applied to natural gas pipeline systems and has been used to create or modify more than 10,000 installations worldwide in natural gas, petroleum, chemical, and nuclear industries. Analog computers predict physical behavior by simulating it in analogous processes instead of solving equations.\u003C/span\u003E\u003C/span\u003Eus processes instead of solving equations.","title":"Southern Gas Association-PCRC Analog Facility","link":"","lat":29.449043,"lon":-98.613669,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Southern_Pacific\" title=\"ASME-Landmark:Southern Pacific\"\u003ESouthern Pacific\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ESouthern Pacific #4294, a 4-8-8-2 cab-in-f\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Southern Pacific #4294, a 4-8-8-2 cab-in-front articulated locomotive, is the sole surviving steam locomotive of its type. The 4-8-8-2 locomotives were really two engines combined into one. They had one boiler which served two sets of cylinders driving independent groups of wheels. These locomotives were long, heavy, and the largest, most powerful locomotives on the Southern Pacific during their time. They were fast\u2014capable of attaining speeds of 70 miles per hour.These locomotives were used to haul heavy freight and passenger trains over the steep grades in the Sierra and Cascade Mountains.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003ESouthern Pacific #4294, a 4-8-8-2 cab-in-front articulated locomotive, is the sole surviving steam locomotive of its type. The 4-8-8-2 locomotives were really two engines combined into one. They had one boiler which served two sets of cylinders driving independent groups of wheels. These locomotives were long, heavy, and the largest, most powerful locomotives on the Southern Pacific during their time. They were fast\u2014capable of attaining speeds of 70 miles per hour.\u0026lt;/br\u0026gt;These locomotives were used to haul heavy freight and passenger trains over the steep grades in the Sierra and Cascade Mountains.\u003C/span\u003E\u003C/span\u003Erades in the Sierra and Cascade Mountains.","title":"Southern Pacific","link":"","lat":38.584486,"lon":-121.504024,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Southern_Railway_Spencer_Shops\" title=\"ASME-Landmark:Southern Railway Spencer Shops\"\u003ESouthern Railway Spencer Shops\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EOne of four known preserved railroad shop \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"One of four known preserved railroad shop complexes in the United States, Spencer Shops is the only one designed and constructed primarily during the 20th century. A majority of the buildings, used originally in steam locomotive repair and maintenance, are still intact, including the backshop, roundhouse, flue shop, paint shop, and parts storage buildings. The 37-stall roundhouse is one of the largest remaining roundhouses in North America still in continuous operation, and the backshop is the only preserved erecting shop in the U.S. The site contains other significant buildings, including the car repair shed, yard office, oil house, sand house, and wheel balancing shed.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EOne of four known preserved railroad shop complexes in the United States, Spencer Shops is the only one designed and constructed primarily during the 20th century. A majority of the buildings, used originally in steam locomotive repair and maintenance, are still intact, including the backshop, roundhouse, flue shop, paint shop, and parts storage buildings. The 37-stall roundhouse is one of the largest remaining roundhouses in North America still in continuous operation, and the backshop is the only preserved erecting shop in the U.S. The site contains other significant buildings, including the car repair shed, yard office, oil house, sand house, and wheel balancing shed.\u003C/span\u003E\u003C/span\u003Euse, sand house, and wheel balancing shed.","title":"Southern Railway Spencer Shops","link":"","lat":35.687406,"lon":-80.434507,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Split-Hopkinson_Pressure_Bar_Apparatus\" title=\"ASME-Landmark:Split-Hopkinson Pressure Bar Apparatus\"\u003ESplit-Hopkinson Pressure Bar Apparatus\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Southwest Research Institute (SwRI) Sp\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Southwest Research Institute (SwRI) Split-Hopkinson Pressure Bar apparatus is a mechanical test instrument used to characterize the dynamic response of materials at high strain rates (typical of impacts and explosions). The apparatus, based on devices invented by Bertram Hopkinson and Herbert Kolsky, was developed at SwRI in 1962 by Dr. Ulric Lindholm. Conventional mechanical test systems had been available for years to obtain strength data under long term conditions (hours to days) or static conditions (minutes) using screw or hydraulic loading systems. The maximum deformation or strain rate of these machines is about 0.1 per second (0.1 s-1). Pendulum impact machines can produce strain rates of up to about 100 s-1, yielding only energy absorbed to fracture, but not a complete stress-strain curve. During World War II, strength properties associated with shock waves were developed using light-gas gun or explosively driven flyer-plate impact experiments, producing high hydrostatic pressures and strain rates in excess of 104 s-1. The SwRI Split-Hopkinson Pressure Bar was designed to fill the strain rate range from 102 s-1 to 5.0 x 103 s-1, the time duration of many explosive, ballistic impact, crashes and other accident scenarios of interest for both military and civilian applications.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Southwest Research Institute (SwRI) Split-Hopkinson Pressure Bar apparatus is a mechanical test instrument used to characterize the dynamic response of materials at high strain rates (typical of impacts and explosions). The apparatus, based on devices invented by Bertram Hopkinson and Herbert Kolsky, was developed at SwRI in 1962 by Dr. Ulric Lindholm. Conventional mechanical test systems had been available for years to obtain strength data under long term conditions (hours to days) or static conditions (minutes) using screw or hydraulic loading systems. The maximum deformation or strain rate of these machines is about 0.1 per second (0.1 s-1). Pendulum impact machines can produce strain rates of up to about 100 s-1, yielding only energy absorbed to fracture, but not a complete stress-strain curve. During World War II, strength properties associated with shock waves were developed using light-gas gun or explosively driven flyer-plate impact experiments, producing high hydrostatic pressures and strain rates in excess of 104 s-1. The SwRI Split-Hopkinson Pressure Bar was designed to fill the strain rate range from 102 s-1 to 5.0 x 103 s-1, the time duration of many explosive, ballistic impact, crashes and other accident scenarios of interest for both military and civilian applications.\u003C/span\u003E\u003C/span\u003Er both military and civilian applications.","title":"Split-Hopkinson Pressure Bar Apparatus","link":"","lat":29.449024,"lon":-98.61368,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Springfield_Armory\" title=\"ASME-Landmark:Springfield Armory\"\u003ESpringfield Armory\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EGeorge Washington's concern over standardi\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"George Washington\u0026#039;s concern over standardization of rifles for the Continental Army led to the formation of national armory and to his selection of Springfield as its site. Completed in 1794, it was the first national armory in the United States. Not many years later the U.S. Model 1795 Musket, a Flint Lock, was the first official U.S. weapon and the first Springfield weapon produced.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EGeorge Washington's concern over standardization of rifles for the Continental Army led to the formation of national armory and to his selection of Springfield as its site. Completed in 1794, it was the first national armory in the United States. Not many years later the U.S. Model 1795 Musket, a Flint Lock, was the first official U.S. weapon and the first Springfield weapon produced.\u003C/span\u003E\u003C/span\u003Eand the first Springfield weapon produced.","title":"Springfield Armory","link":"","lat":42.10722,"lon":-72.581684,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:St._Charles_Avenue_Street_Car_Line\" title=\"ASME-Landmark:St. Charles Avenue Street Car Line\"\u003ESt. Charles Avenue Street Car Line\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe St. Charles Street Car line is the old\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The St. Charles Street Car line is the oldest continuously operating street railways in the world and was one of the first passenger railroads in the United States. The electric streetcars now operating on the route are typical of the transportation that played a major role in American cities in the first part of the 20th century.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe St. Charles Street Car line is the oldest continuously operating street railways in the world and was one of the first passenger railroads in the United States. The electric streetcars now operating on the route are typical of the transportation that played a major role in American cities in the first part of the 20th century.\u003C/span\u003E\u003C/span\u003Eies in the first part of the 20th century.","title":"St. Charles Avenue Street Car Line","link":"","lat":29.967534,"lon":-90.089376,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:St._Clair_Tunnel,_1891\" title=\"ASCE-Landmark:St. Clair Tunnel, 1891\"\u003ESt. Clair Tunnel, 1891\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe St. Clair Tunnel, built under the St. Claire River, was the first successful subaqueous railway tunnel in North America.","title":"St. Clair Tunnel, 1891","link":"","lat":42.95,"lon":-82.41666667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Stanford_Linear_Accelerator_Center\" title=\"ASME-Landmark:Stanford Linear Accelerator Center\"\u003EStanford Linear Accelerator Center\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Stanford Linear Accelerator Center\u2014ren\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Stanford Linear Accelerator Center\u2014renamed in 2009 to the SLAC National Accelerator Laboratory\u2014is, at two miles, the longest in the world. The main accelerator is buried 30 feet (10 meters) underground and passes underneath Interstate Highway 280. Built in 1962, the engineering problems facing the accelerator\u0026#039;s design included manufacturing a thousand sections of precision copper waveguide, aligning these sections over a two-mile length, producing high-power pulsed microwaves, and safely handling the intense high-energy beam of electrons.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Stanford Linear Accelerator Center\u2014renamed in 2009 to the SLAC National Accelerator Laboratory\u2014is, at two miles, the longest in the world. The main accelerator is buried 30 feet (10 meters) underground and passes underneath Interstate Highway 280. Built in 1962, the engineering problems facing the accelerator's design included manufacturing a thousand sections of precision copper waveguide, aligning these sections over a two-mile length, producing high-power pulsed microwaves, and safely handling the intense high-energy beam of electrons.\u003C/span\u003E\u003C/span\u003Ethe intense high-energy beam of electrons.","title":"Stanford Linear Accelerator Center","link":"","lat":37.420157,"lon":-122.204583,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Starrucca_Viaduct,_1848\" title=\"ASCE-Landmark:Starrucca Viaduct, 1848\"\u003EStarrucca Viaduct, 1848\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Starrucca Viaduct, the key masonry via\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Starrucca Viaduct, the key masonry viaduct of the New York and Erie Railroad, was one of the earliest structures between the eastern seaboard and the Midwest. It was constructed in record time and was among the first, if not the first, important engineering work to utilize structural concrete.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Starrucca Viaduct, the key masonry viaduct of the New York and Erie Railroad, was one of the earliest structures between the eastern seaboard and the Midwest. It was constructed in record time and was among the first, if not the first, important engineering work to utilize structural concrete.\u003C/span\u003E\u003C/span\u003Eering work to utilize structural concrete.","title":"Starrucca Viaduct, 1848","link":"","lat":41.96333333,"lon":-75.58194444,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:State_Line_Generating_Unit_1\" title=\"ASME-Landmark:State Line Generating Unit 1\"\u003EState Line Generating Unit 1\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EDwarfing the typical electric-power genera\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Dwarfing the typical electric-power generators of the day, the \u0026quot;State Line\u0026quot; turbine-generator, located on the Indiana-Illinois border, represented 14 percent of the entire Chicago metropolitan district when it was placed in commercial service on April 8, 1929. The Unit 1 turbine was the first unit to use five stages of feed-water heating, was the first to produce 650 pounds of pressure steam for electric generation, and was an original design in that the metal-enclosed generator bus is housed outdoors.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EDwarfing the typical electric-power generators of the day, the \"State Line\" turbine-generator, located on the Indiana-Illinois border, represented 14 percent of the entire Chicago metropolitan district when it was placed in commercial service on April 8, 1929. The Unit 1 turbine was the first unit to use five stages of feed-water heating, was the first to produce 650 pounds of pressure steam for electric generation, and was an original design in that the metal-enclosed generator bus is housed outdoors.\u003C/span\u003E\u003C/span\u003Eenclosed generator bus is housed outdoors.","title":"State Line Generating Unit 1","link":"","lat":41.708176,"lon":-87.52136,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Statue_of_Liberty,_1886\" title=\"ASCE-Landmark:Statue of Liberty, 1886\"\u003EStatue of Liberty, 1886\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThrough the aesthetic genius of Frederick \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Through the aesthetic genius of Frederick Bartholdi and the engineering ingenuity of other French and American engineers, particularly Gustav Eiffel, Charles Stone and Charles C. Schneider, the Statue of Liberty was completed in 1886 and became the world\u2019s symbol of the United States as the land of the free.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThrough the aesthetic genius of Frederick Bartholdi and the engineering ingenuity of other French and American engineers, particularly Gustav Eiffel, Charles Stone and Charles C. Schneider, the Statue of Liberty was completed in 1886 and became the world\u2019s symbol of the United States as the land of the free.\u003C/span\u003E\u003C/span\u003Ethe United States as the land of the free.","title":"Statue of Liberty, 1886","link":"","lat":40.68916667,"lon":-74.04444444,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Steamboat_William_G._Mather\" title=\"ASME-Landmark:Steamboat William G. Mather\"\u003ESteamboat William G. Mather\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Steamship William G. Mather (1925) rep\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Steamship William G. Mather (1925) represents the evolution of mechanical engineering in Great Lakes shipping. Launched as a state-of-the-art ship for its time, the Mather served as a prototype, incorporating the latest advancements. Subsequent enhancements that extended the ship\u0026#039;s economic life included a single oil-fired boiler, steam turbine propulsion, automatic power plant control, as well as a dual propeller bow-thruster. As a result, Great Lakes shipping remained efficient, productive, and competitive with other modes of transportation. The savings helped local iron ore sources maintain an economical edge over non-US suppliers.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Steamship William G. Mather (1925) represents the evolution of mechanical engineering in Great Lakes shipping. Launched as a state-of-the-art ship for its time, the Mather served as a prototype, incorporating the latest advancements. Subsequent enhancements that extended the ship's economic life included a single oil-fired boiler, steam turbine propulsion, automatic power plant control, as well as a dual propeller bow-thruster. As a result, Great Lakes shipping remained efficient, productive, and competitive with other modes of transportation. The savings helped local iron ore sources maintain an economical edge over non-US suppliers.\u003C/span\u003E\u003C/span\u003E an economical edge over non-US suppliers.","title":"Steamboat William G. Mather","link":"","lat":41.510462,"lon":-81.695871,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Stevens_Pass_Railroad_Tunnels,_1897_-_1929\" title=\"ASCE-Landmark:Stevens Pass Railroad Tunnels, 1897 - 1929\"\u003EStevens Pass Railroad Tunnels, 1897 - 1929\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe first and second Cascade Tunnels and t\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The first and second Cascade Tunnels and the switchbacks carried the Great Northern Railroad trains over the Stevens Pass since 1892. John F. Stevens was made chief engineer of the Great Northern in 1895 and supervised construction of the Cascade Tunnels. The second Cascade Tunnel was the longest tunnel in the Western Hemisphere from 1929 to 1989.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe first and second Cascade Tunnels and the switchbacks carried the Great Northern Railroad trains over the Stevens Pass since 1892. John F. Stevens was made chief engineer of the Great Northern in 1895 and supervised construction of the Cascade Tunnels. The second Cascade Tunnel was the longest tunnel in the Western Hemisphere from 1929 to 1989.\u003C/span\u003E\u003C/span\u003E the Western Hemisphere from 1929 to 1989.","title":"Stevens Pass Railroad Tunnels, 1897 - 1929","link":"","lat":47.7425,"lon":-121.0694444,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Stirling_Water-Tube_Boilers\" title=\"ASME-Landmark:Stirling Water-Tube Boilers\"\u003EStirling Water-Tube Boilers\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Crown Cotton Mills, now named the Elk \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Crown Cotton Mills, now named the Elk Cotton Mill, was the first major industrial plant in Cross Plains, Georgia, now known as Dalton. The mill\u0026#039;s two Stirling water-tube boilers, built and installed in 1906, are among the oldest existing steam generators in a cotton mill in this country.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Crown Cotton Mills, now named the Elk Cotton Mill, was the first major industrial plant in Cross Plains, Georgia, now known as Dalton. The mill's two Stirling water-tube boilers, built and installed in 1906, are among the oldest existing steam generators in a cotton mill in this country.\u003C/span\u003E\u003C/span\u003Enerators in a cotton mill in this country.","title":"Stirling Water-Tube Boilers","link":"","lat":34.781611,"lon":-84.972316,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Stone_Arch_Brige_of_Burlington_Northern_RR,_1883\" title=\"ASCE-Landmark:Stone Arch Brige of Burlington Northern RR, 1883\"\u003EStone Arch Brige of Burlington Northern RR, 1883\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Stone Arch Bridge of the Burlington Northern Railroad, the oldest extant railroad bridge over the Mississippi, was a key element in development of the northwest part of the United States.","title":"Stone Arch Brige of Burlington Northern RR, 1883","link":"","lat":44.98333333,"lon":-93.26666667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Suez_Canal,_1859-1869\" title=\"ASCE-Landmark:Suez Canal, 1859-1869\"\u003ESuez Canal, 1859-1869\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Suez Canal was the longest man-made sea level canal in the world when opened. This modern canal is one of the world\u2019s most heavily used shipping routes and continues to play a critical role in international trade.","title":"Suez Canal, 1859-1869","link":"","lat":30.705,"lon":32.34416667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Sweetwater_Dam,_1888\" title=\"ASCE-Landmark:Sweetwater Dam, 1888\"\u003ESweetwater Dam, 1888\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Sweetwater Dam was once the tallest ma\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Sweetwater Dam was once the tallest masonry arch dam in the United States, and it served as a model for many others. The dam has survived three over-toppings, and the water impounded by it has enabled economic development of the National City, Chula Vista, and Bonita regions.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Sweetwater Dam was once the tallest masonry arch dam in the United States, and it served as a model for many others. The dam has survived three over-toppings, and the water impounded by it has enabled economic development of the National City, Chula Vista, and Bonita regions.\u003C/span\u003E\u003C/span\u003Enal City, Chula Vista, and Bonita regions.","title":"Sweetwater Dam, 1888","link":"","lat":32.69160306,"lon":-117.0080556,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Sydney_Harbour_Bridge,_1932\" title=\"ASCE-Landmark:Sydney Harbour Bridge, 1932\"\u003ESydney Harbour Bridge, 1932\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EA steel through-arch, multi-modal structure, the Sydney Harbour Bridge was the second longest span (503 m) of its type when completed. The bridge is now an international symbol of Australia and her engineering achievements.","title":"Sydney Harbour Bridge, 1932","link":"","lat":-33.85222222,"lon":151.2105556,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:T.V._Emery_Rice_Steam_Engine\" title=\"ASME-Landmark:T.V. Emery Rice Steam Engine\"\u003ET.V. Emery Rice Steam Engine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EDuring the nineteenth-century transition f\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"During the nineteenth-century transition from sail to steam, the poorly armored screw-propelled warships were given engines of low profile, fitting below the waterline for protection of vital parts. The horizontal compound engine of the training vessel (T.V.) Emery Rice is a unique survivor typical of the period 1840 to 1880. The 61-ton back-acting engine has an unconventional configuration in that its two cranks lie close to their cylinders and two off-center piston rods straddle the crank-shaft in a cramped, but efficient, arrangement.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EDuring the nineteenth-century transition from sail to steam, the poorly armored screw-propelled warships were given engines of low profile, fitting below the waterline for protection of vital parts. The horizontal compound engine of the training vessel (T.V.) Emery Rice is a unique survivor typical of the period 1840 to 1880. The 61-ton back-acting engine has an unconventional configuration in that its two cranks lie close to their cylinders and two off-center piston rods straddle the crank-shaft in a cramped, but efficient, arrangement.\u003C/span\u003E\u003C/span\u003E in a cramped, but efficient, arrangement.","title":"T.V. Emery Rice Steam Engine","link":"","lat":40.814881,"lon":-73.762116,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Tacoma_Narrows_Bridges,_1940\" title=\"ASCE-Landmark:Tacoma Narrows Bridges, 1940\"\u003ETacoma Narrows Bridges, 1940\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ETaken together, the 1940 and 1950 Tacoma N\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Taken together, the 1940 and 1950 Tacoma Narrows bridges represent both tragedy and triumph for civil engineers. The original Tacoma Narrows Bridge failed dramatically in a windstorm on November 7, 1940, four months after opening. The lessons in aerodynamics learned from this failure generated new knowledge necessary to build safe, efficient, and stable suspension bridges worldwide.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003ETaken together, the 1940 and 1950 Tacoma Narrows bridges represent both tragedy and triumph for civil engineers. The original Tacoma Narrows Bridge failed dramatically in a windstorm on November 7, 1940, four months after opening. The lessons in aerodynamics learned from this failure generated new knowledge necessary to build safe, efficient, and stable suspension bridges worldwide.\u003C/span\u003E\u003C/span\u003E, and stable suspension bridges worldwide.","title":"Tacoma Narrows Bridges, 1940","link":"","lat":47.26666667,"lon":-122.55,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Tacoma_Narrows_Bridges,_1950\" title=\"ASCE-Landmark:Tacoma Narrows Bridges, 1950\"\u003ETacoma Narrows Bridges, 1950\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ETaken together, the 1940 and 1950 Tacoma N\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Taken together, the 1940 and 1950 Tacoma Narrows bridges represent both tragedy and triumph for civil engineers. The original Tacoma Narrows Bridge failed dramatically in a windstorm on November 7, 1940, four months after opening. The lessons in aerodynamics learned from this failure generated new knowledge necessary to build safe, efficient, and stable suspension bridges worldwide.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003ETaken together, the 1940 and 1950 Tacoma Narrows bridges represent both tragedy and triumph for civil engineers. The original Tacoma Narrows Bridge failed dramatically in a windstorm on November 7, 1940, four months after opening. The lessons in aerodynamics learned from this failure generated new knowledge necessary to build safe, efficient, and stable suspension bridges worldwide.\u003C/span\u003E\u003C/span\u003E, and stable suspension bridges worldwide.","title":"Tacoma Narrows Bridges, 1950","link":"","lat":47.26666667,"lon":-122.55,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Tehachapi_Pass_Railroad_Line,_1876\" title=\"ASCE-Landmark:Tehachapi Pass Railroad Line, 1876\"\u003ETehachapi Pass Railroad Line, 1876\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Tehachapi Pass Railroad Line had 18 tunnels, 10 bridges and numerous water towers for the old steam locomotives and was the primary factor in the early growth of the city of Los Angeles and the state of California.","title":"Tehachapi Pass Railroad Line, 1876","link":"","lat":35.133333,"lon":-118.45,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Tennessee_State_Capitol,_1877\" title=\"ASCE-Landmark:Tennessee State Capitol, 1877\"\u003ETennessee State Capitol, 1877\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Tennessee State Capitol was one of the first buildings in the nation with structural iron roof trusses. In addition, the grounds set the standard for park development in the region.","title":"Tennessee State Capitol, 1877","link":"","lat":36.16583333,"lon":-86.78416667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Texas_%26_Pacific\" title=\"ASME-Landmark:Texas \u0026amp; Pacific\"\u003ETexas \u0026amp; Pacific\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Texas \u0026amp; Pacific 610 is the sole su\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Texas \u0026amp; Pacific 610 is the sole surviving example of the earliest form of the super-power steam locomotives built by the Lima Locomotive Works from 1925 to 1949. The super-power locomotives were the first to combine a high-capacity boiler with a modern valve gear and a four-wheel trailing truck. The performance of these locomotives was unprecedented, and they were the prototype for the modern American steam locomotive through the end of the rail industry\u0026#039;s steam age. The chief design engineer was William E. Woodard (1873-1942), mechanical engineer, Lima Locomotive Works.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Texas \u0026 Pacific 610 is the sole surviving example of the earliest form of the super-power steam locomotives built by the Lima Locomotive Works from 1925 to 1949. The super-power locomotives were the first to combine a high-capacity boiler with a modern valve gear and a four-wheel trailing truck. The performance of these locomotives was unprecedented, and they were the prototype for the modern American steam locomotive through the end of the rail industry's steam age. The chief design engineer was William E. Woodard (1873-1942), mechanical engineer, Lima Locomotive Works.\u003C/span\u003E\u003C/span\u003E), mechanical engineer, Lima Locomotive Works.","title":"Texas \u0026 Pacific","link":"","lat":31.740034,"lon":-95.571205,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Texas_Commerce_Bank_Building,_1929\" title=\"ASCE-Landmark:Texas Commerce Bank Building, 1929\"\u003ETexas Commerce Bank Building, 1929\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Texas Commerce Building (now Chase) wa\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Texas Commerce Building (now Chase) was the tallest building west of the Mississippi River until 1962. With Dr. Karl Terzaghi as consultant, this building represents one of the first applications of the new field of soil mechanics to foundation design and building settlement on a clay soil.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Texas Commerce Building (now Chase) was the tallest building west of the Mississippi River until 1962. With Dr. Karl Terzaghi as consultant, this building represents one of the first applications of the new field of soil mechanics to foundation design and building settlement on a clay soil.\u003C/span\u003E\u003C/span\u003Egn and building settlement on a clay soil.","title":"Texas Commerce Bank Building, 1929","link":"","lat":29.75833333,"lon":-95.36388889,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Thames_Tunnel,_1843\" title=\"ASCE-Landmark:Thames Tunnel, 1843\"\u003EThames Tunnel, 1843\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Thames Tunnel was the first shield-driven tunnel, the first successful soft ground subaqueous tunnel, and, in 1869, was adapted as the first subaqueous railway tunnel.","title":"Thames Tunnel, 1843","link":"","lat":51.503,"lon":-0.052,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:The_Dalles_Lock_and_Dam,_1952_-_1956\" title=\"ASCE-Landmark:The Dalles Lock and Dam, 1952 - 1956\"\u003EThe Dalles Lock and Dam, 1952 - 1956\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Dalles Lock and Dam was one of the lar\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Dalles Lock and Dam was one of the largest, most complete, and complex multipurpose projects of its kind in the united states at the time of its construction. It provided an example for future projects benefitting navigation, recreation, water for irrigation and hydropower, fish migration, and flood mitigation. The unusual \u0026quot;L\u0026quot; configuration of the project enabled reduced construction dewatering and created a permanent shallow stilling basin that aids fish passage.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Dalles Lock and Dam was one of the largest, most complete, and complex multipurpose projects of its kind in the united states at the time of its construction. It provided an example for future projects benefitting navigation, recreation, water for irrigation and hydropower, fish migration, and flood mitigation. The unusual \"L\" configuration of the project enabled reduced construction dewatering and created a permanent shallow stilling basin that aids fish passage.\u003C/span\u003E\u003C/span\u003Elow stilling basin that aids fish passage.","title":"The Dalles Lock and Dam, 1952 - 1956","link":"","lat":45.6125,"lon":-121.1311111,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:The_Lapeyre_Automatic_Shrimp_Peeling_Machine\" title=\"ASME-Landmark:The Lapeyre Automatic Shrimp Peeling Machine\"\u003EThe Lapeyre Automatic Shrimp Peeling Machine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe growth of the shrimp processing indust\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The growth of the shrimp processing industry and its impact on local economies along the northern Gulf of Mexico, the U.S. West Coast, and in more than forty other countries is largely attributable to the \u0026quot;machine that peels shrimp,\u0026quot; invented by sixteen year old James Martial Lapeyre from Houma, Louisiana.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe growth of the shrimp processing industry and its impact on local economies along the northern Gulf of Mexico, the U.S. West Coast, and in more than forty other countries is largely attributable to the \"machine that peels shrimp,\" invented by sixteen year old James Martial Lapeyre from Houma, Louisiana.\u003C/span\u003E\u003C/span\u003Emes Martial Lapeyre from Houma, Louisiana.","title":"The Lapeyre Automatic Shrimp Peeling Machine","link":"","lat":30.393601,"lon":-88.859065,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:The_United_States_Standard_Screw_Threads\" title=\"ASME-Landmark:The United States Standard Screw Threads\"\u003EThe United States Standard Screw Threads\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWilliam Sellers (1824-1905) of Philadelphi\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"William Sellers (1824-1905) of Philadelphia was inspired by Great Britain\u0026#039;s adoption of a comprehensive system of screw threads promulgated in 1841 by that nation\u0026#039;s leading maker of machine tools, Joseph Whitworth (1803-1887). He understood the value of Whitworth\u0026#039;s standard, a clear improvement over the various \u0026quot;mongrel\u0026quot; threads that U.S. machinery makers used, but Sellers decided to improve upon Whitworth\u0026#039;s approach, creating a system of threads adapted to U.S. needs.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EWilliam Sellers (1824-1905) of Philadelphia was inspired by Great Britain's adoption of a comprehensive system of screw threads promulgated in 1841 by that nation's leading maker of machine tools, Joseph Whitworth (1803-1887). He understood the value of Whitworth's standard, a clear improvement over the various \"mongrel\" threads that U.S. machinery makers used, but Sellers decided to improve upon Whitworth's approach, creating a system of threads adapted to U.S. needs.\u003C/span\u003E\u003C/span\u003Ea system of threads adapted to U.S. needs.","title":"The United States Standard Screw Threads","link":"","lat":39.958211,"lon":-75.173156,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Theodore_Roosevelt_Dam_%26_Salt_River_Project_,_1911\" title=\"ASCE-Landmark:Theodore Roosevelt Dam \u0026amp; Salt River Project , 1911\"\u003ETheodore Roosevelt Dam \u0026amp; Salt River Project , 1911\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Theodore Roosevelt Dam \u0026amp; Salt River Project was the first project of the Bureau of Reclamation and the first multipurpose (irrigation, river regulation, power generation and recreation) project in the United States","title":"Theodore Roosevelt Dam \u0026 Salt River Project , 1911","link":"","lat":33.67166667,"lon":-111.1611111,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Thermo_King%C2%A9_C_Refrigeration_Unit\" title=\"ASME-Landmark:Thermo King\u00a9 C Refrigeration Unit\"\u003EThermo King\u00a9 C Refrigeration Unit\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe refrigeration units placed on trucks i\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The refrigeration units placed on trucks in 1938 by Thermo King Corp. revolutionized the transportation of perishable foods, prompting consumer demand for meat, poultry, produce and dairy products to increase at an astounding rate. These installations and subsequent ones on refrigerated vehicles, ships, and railroads have had worldwide impact on the preservation of food and other perishables during distribution. Today, more than three quarters of the food through the United States alone is shipped and stored under refrigeration, with a frozen food industry having annual sales in excess of $40 billion. In addition to food, refrigeration makes available more delicate cargo such as photographic film, pharmaceuticals, and flowers.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe refrigeration units placed on trucks in 1938 by Thermo King Corp. revolutionized the transportation of perishable foods, prompting consumer demand for meat, poultry, produce and dairy products to increase at an astounding rate. These installations and subsequent ones on refrigerated vehicles, ships, and railroads have had worldwide impact on the preservation of food and other perishables during distribution. Today, more than three quarters of the food through the United States alone is shipped and stored under refrigeration, with a frozen food industry having annual sales in excess of $40 billion. In addition to food, refrigeration makes available more delicate cargo such as photographic film, pharmaceuticals, and flowers.\u003C/span\u003E\u003C/span\u003Eraphic film, pharmaceuticals, and flowers.","title":"Thermo King\u00a9 C Refrigeration Unit","link":"","lat":44.840815,"lon":-93.284979,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Thomas_Viaduct_Railroad_Bridge,_1835\" title=\"ASCE-Landmark:Thomas Viaduct Railroad Bridge, 1835\"\u003EThomas Viaduct Railroad Bridge, 1835\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe first multiple-arch stone railroad viaduct in the United States, the massive eight-arch Thomas Viaduct Railroad Bridge was built under unusual site conditions requiring a curved railway alignment.","title":"Thomas Viaduct Railroad Bridge, 1835","link":"","lat":39.21666667,"lon":-76.71666667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Thrust_SSC_Supersonic_Car\" title=\"ASME-Landmark:Thrust SSC Supersonic Car\"\u003EThrust SSC Supersonic Car\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EFollowing his successful bid for the world\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Following his successful bid for the world LSR in 1983, entrepreneur Richard Noble pulled together a team to design and construct Thrust SSC\u2014a supersonic car. This car was ready for initial test runs in 1996 and it finally set the LSR record of 763 mph in 1997. Powered by two Rolls-Royce MK 202 Spey Turbofan engines, which produced over 44,000 lbs (196kN) of thrust, the Thrust SSC Supersonic car was the first land vehicle to officially break the sound barrier.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EFollowing his successful bid for the world LSR in 1983, entrepreneur Richard Noble pulled together a team to design and construct Thrust SSC\u2014a supersonic car. This car was ready for initial test runs in 1996 and it finally set the LSR record of 763 mph in 1997. Powered by two Rolls-Royce MK 202 Spey Turbofan engines, which produced over 44,000 lbs (196kN) of thrust, the Thrust SSC Supersonic car was the first land vehicle to officially break the sound barrier.\u003C/span\u003E\u003C/span\u003Ecle to officially break the sound barrier.","title":"Thrust SSC Supersonic Car","link":"","lat":52.411198,"lon":-1.509399,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Tipon,_1200-1534_A.D.\" title=\"ASCE-Landmark:Tipon, 1200-1534 A.D.\"\u003ETipon, 1200-1534 A.D.\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Tipon complex attests to the advanced \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Tipon complex attests to the advanced hydraulic and geotechnical engineering of the Inca people and their predecessors. Tipon is an engineering masterpiece of planning, design, and construction. The complex irrigation system of canals, aqueduct, fountains, buried conduits, and a tunnel provided conjunctive use of both surface and spring water.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Tipon complex attests to the advanced hydraulic and geotechnical engineering of the Inca people and their predecessors. Tipon is an engineering masterpiece of planning, design, and construction. The complex irrigation system of canals, aqueduct, fountains, buried conduits, and a tunnel provided conjunctive use of both surface and spring water.\u003C/span\u003E\u003C/span\u003Etive use of both surface and spring water.","title":"Tipon, 1200-1534 A.D.","link":"","lat":-13.56666667,"lon":-71.78333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Titan_Crane\" title=\"ASME-Landmark:Titan Crane\"\u003ETitan Crane\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EDesigned by Adam Hunter and Sir William Ar\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Designed by Adam Hunter and Sir William Arrol \u0026amp; Co Ltd, and built in in Clydebank, Scotland in 1907, the Titan Crane was designed to lift boilers and engines at the John Brown \u0026amp; Company shipyard. During construction, small sub-assemblies of the cantilever, weighing just a few tons each, were lifted by means of hand-powered cranes and riveted in place\u2014first with temporary bolts, and then permanently after the alignment was adjusted. A steam-powered crane lifted the heavier sections of machinery.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EDesigned by Adam Hunter and Sir William Arrol \u0026 Co Ltd, and built in in Clydebank, Scotland in 1907, the Titan Crane was designed to lift boilers and engines at the John Brown \u0026 Company shipyard. During construction, small sub-assemblies of the cantilever, weighing just a few tons each, were lifted by means of hand-powered cranes and riveted in place\u2014first with temporary bolts, and then permanently after the alignment was adjusted. A steam-powered crane lifted the heavier sections of machinery.\u003C/span\u003E\u003C/span\u003Eed crane lifted the heavier sections of machinery.","title":"Titan Crane","link":"","lat":55.895658,"lon":-4.403088,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Titan_Crane,_1907\" title=\"ASCE-Landmark:Titan Crane, 1907\"\u003ETitan Crane, 1907\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen tested with a 160-ton load at a radiu\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"When tested with a 160-ton load at a radius of 85 ft \u0026amp;#91;26 m] and then commissioned, this 164 ft \u0026amp;#91;50 m] high crane became the largest of the hammerhead type. The Titan Crane\u2019s fixed counterweight and electrically operated hoists also made this crane faster and more responsive than its steam-powered predecessors. It influenced the design of cranes of this genre worldwide and is now the earliest survivor.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EWhen tested with a 160-ton load at a radius of 85 ft [26 m] and then commissioned, this 164 ft [50 m] high crane became the largest of the hammerhead type. The Titan Crane\u2019s fixed counterweight and electrically operated hoists also made this crane faster and more responsive than its steam-powered predecessors. It influenced the design of cranes of this genre worldwide and is now the earliest survivor.\u003C/span\u003E\u003C/span\u003Eorldwide and is now the earliest survivor.","title":"Titan Crane, 1907","link":"","lat":55.89733333,"lon":-4.408733333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Tokaido_Shinkansen\" title=\"ASME-Landmark:Tokaido Shinkansen\"\u003ETokaido Shinkansen\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn 1964, Shinkansen (which means \"new trun\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In 1964, Shinkansen (which means \u0026quot;new trunk line\u0026quot; and is also known as the bullet train) between Tokyo and Shin-Osaka became the world\u0026#039;s first high-speed railway system, running at a maximum business speed of over 200 km/h (130-160 mph). By 1992, the number of passengers transported by Shinkansen was over 600,000 a day on an average, reaching about four times of those carried by airplanes. As of March 2015, the fastest Nozomi trains could travel between Tokyo to Shin-Osaka in just 2 hours 22 minutes.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn 1964, Shinkansen (which means \"new trunk line\" and is also known as the bullet train) between Tokyo and Shin-Osaka became the world's first high-speed railway system, running at a maximum business speed of over 200 km/h (130-160 mph). By 1992, the number of passengers transported by Shinkansen was over 600,000 a day on an average, reaching about four times of those carried by airplanes. As of March 2015, the fastest Nozomi trains could travel between Tokyo to Shin-Osaka in just 2 hours 22 minutes.\u003C/span\u003E\u003C/span\u003E to Shin-Osaka in just 2 hours 22 minutes.","title":"Tokaido Shinkansen","link":"","lat":35.922166,"lon":139.617677,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Triborough_Bridge_Project,_1936\" title=\"ASCE-Landmark:Triborough Bridge Project, 1936\"\u003ETriborough Bridge Project, 1936\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Triborough Bridge Project, a three and\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Triborough Bridge Project, a three and a half mile, three-branched waterway crossing, is comprised of a major suspension bridge, a large vertical lift span, a fixed span designed to be convertible to a lift span, a long viaduct, and an innovative three-legged roadway interchange. It is an early example of the complete planning and development of a major transportation project in an urban environment.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Triborough Bridge Project, a three and a half mile, three-branched waterway crossing, is comprised of a major suspension bridge, a large vertical lift span, a fixed span designed to be convertible to a lift span, a long viaduct, and an innovative three-legged roadway interchange. It is an early example of the complete planning and development of a major transportation project in an urban environment.\u003C/span\u003E\u003C/span\u003Eportation project in an urban environment.","title":"Triborough Bridge Project, 1936","link":"","lat":40.79527778,"lon":-73.92027778,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Tunkhannock_Viaduct,_1915\" title=\"ASCE-Landmark:Tunkhannock Viaduct, 1915\"\u003ETunkhannock Viaduct, 1915\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen built, the Tunkhannock Viaduct, a reinforced concrete structure, was the largest of its kind.","title":"Tunkhannock Viaduct, 1915","link":"","lat":41.62222222,"lon":-75.77722222,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Turbinia\" title=\"ASME-Landmark:Turbinia\"\u003ETurbinia\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe aim of Parsons' Marine Steam Turbine C\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The aim of Parsons\u0026#039; Marine Steam Turbine Co., formed in January 1884, was to thoroughly test the application of his well-known steam turbine to the propulsion of vessels. The decision was thus taken to construct an experimental highspeed craft of around 100 feet length to be powered by a 1,000 horsepower turbine. The resulting vessel became the Turbinia or, initially, simply the Experimental Launch.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe aim of Parsons' Marine Steam Turbine Co., formed in January 1884, was to thoroughly test the application of his well-known steam turbine to the propulsion of vessels. The decision was thus taken to construct an experimental highspeed craft of around 100 feet length to be powered by a 1,000 horsepower turbine. The resulting vessel became the Turbinia or, initially, simply the Experimental Launch.\u003C/span\u003E\u003C/span\u003Einitially, simply the Experimental Launch.","title":"Turbinia","link":"","lat":54.969205,"lon":-1.624818,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:U.S._Army_Corps_of_Engineers_Waterway_Exp_Ctr,_1929\" title=\"ASCE-Landmark:U.S. Army Corps of Engineers Waterway Exp Ctr, 1929\"\u003EU.S. Army Corps of Engineers Waterway Exp Ctr, 1929\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe U.S. Army Corps of Engineers Waterways Experiment Station was the first federal hydraulics research facility and is now the Corps\u2019 largest engineering and scientific research facility.","title":"U.S. Army Corps of Engineers Waterway Exp Ctr, 1929","link":"","lat":32.28472222,"lon":-90.86388889,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:U.S._Capitol,_1800\" title=\"ASCE-Landmark:U.S. Capitol, 1800\"\u003EU.S. Capitol, 1800\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe U.S. Capitol\u2019s construction included a\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The U.S. Capitol\u2019s construction included an iron-ribbed dome 135 feet in diameter topped by Thomas Crawford\u2019s statue \u201cFreedom.\u201d The dome required a scaffolding 350 feet high. New engineering techniques for construction and quality control were developed to meet the challenge of this immense project.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe U.S. Capitol\u2019s construction included an iron-ribbed dome 135 feet in diameter topped by Thomas Crawford\u2019s statue \u201cFreedom.\u201d The dome required a scaffolding 350 feet high. New engineering techniques for construction and quality control were developed to meet the challenge of this immense project.\u003C/span\u003E\u003C/span\u003Eeet the challenge of this immense project.","title":"U.S. Capitol, 1800","link":"","lat":38.88944444,"lon":-77.00916667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:USS_Albacore\" title=\"ASME-Landmark:USS Albacore\"\u003EUSS Albacore\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe USS Albacore (AGSS-569) represented a \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The USS Albacore (AGSS-569) represented a radical change in submarine design. The hull was designed with underwater speed, and not surface performance, as the prime requirement, and it was built with newly developed high-strength steel (HY-80). In addition to these two major innovations, the Albacore served as a test vessel for many new designs in submarine technology, including the testing of various control designs and the correlation of actual sea-trial performance with that predicted in tow-tank tests.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe USS Albacore (AGSS-569) represented a radical change in submarine design. The hull was designed with underwater speed, and not surface performance, as the prime requirement, and it was built with newly developed high-strength steel (HY-80). In addition to these two major innovations, the Albacore served as a test vessel for many new designs in submarine technology, including the testing of various control designs and the correlation of actual sea-trial performance with that predicted in tow-tank tests.\u003C/span\u003E\u003C/span\u003Ence with that predicted in tow-tank tests.","title":"USS Albacore","link":"","lat":43.082205,"lon":-70.766892,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:USS_Cairo_Engine_and_Boilers\" title=\"ASME-Landmark:USS Cairo Engine and Boilers\"\u003EUSS Cairo Engine and Boilers\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe USS Cairo is the sole survivor of the \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The USS Cairo is the sole survivor of the fleet of river gunboats built by the Union during the Civil War with the object of controlling the lower Mississippi River. Designed by Samuel Pook and built by James B. Eads, it saw limited battle and was sunk on the Yazoo River in 1862 by newly developed electronically detonated mines, becoming the first craft ever sunk by this predecessor to torpedo technology. The 175-foot ironclad Cairo was sunk within 12 minutes, burying much of its gear and 13 guns and thus preserving a unique view of the Civil War in the river silt for more than 100 years.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe USS Cairo is the sole survivor of the fleet of river gunboats built by the Union during the Civil War with the object of controlling the lower Mississippi River. Designed by Samuel Pook and built by James B. Eads, it saw limited battle and was sunk on the Yazoo River in 1862 by newly developed electronically detonated mines, becoming the first craft ever sunk by this predecessor to torpedo technology. The 175-foot ironclad Cairo was sunk within 12 minutes, burying much of its gear and 13 guns and thus preserving a unique view of the Civil War in the river silt for more than 100 years.\u003C/span\u003E\u003C/span\u003Ein the river silt for more than 100 years.","title":"USS Cairo Engine and Boilers","link":"","lat":32.375893,"lon":-90.866705,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:USS_Olympia,_Vertical_Reproducing_Steam_Engines\" title=\"ASME-Landmark:USS Olympia, Vertical Reproducing Steam Engines\"\u003EUSS Olympia, Vertical Reproducing Steam Engines\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe two 3-cylinder triple-expansion engine\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The two 3-cylinder triple-expansion engines of the U.S.S. Olympia are excellent examples of naval ship propulsion machinery of the late nineteenth century. The ship was built in 1892, soon after the U.S. Navy had come to accept the vertical engine for propulsion; big warships had continued to be sail-powered until the 1870s. The Olympia\u0026#039;s engines, which barely exceeded water-level height, had a short stroke and a relatively high speed of rotation, generating about 7,000 indicated horsepower per shaft.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe two 3-cylinder triple-expansion engines of the U.S.S. Olympia are excellent examples of naval ship propulsion machinery of the late nineteenth century. The ship was built in 1892, soon after the U.S. Navy had come to accept the vertical engine for propulsion; big warships had continued to be sail-powered until the 1870s. The Olympia's engines, which barely exceeded water-level height, had a short stroke and a relatively high speed of rotation, generating about 7,000 indicated horsepower per shaft.\u003C/span\u003E\u003C/span\u003Ebout 7,000 indicated horsepower per shaft.","title":"USS Olympia, Vertical Reproducing Steam Engines","link":"","lat":39.945849,"lon":-75.14076,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:USS_Texas%27_Reciprocating_Steam_Engines\" title=\"ASME-Landmark:USS Texas\u0026#039; Reciprocating Steam Engines\"\u003EUSS Texas' Reciprocating Steam Engines\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe USS Texas is the last surviving warshi\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The USS Texas is the last surviving warship of its kind\u2014powered by reciprocating steam engines. It was launched at Newport News in 1912 during a period in which naval authorities were switching to the newly-developed steam turbine for propulsion, but were unsure of its suitability. Only one more warship, the New York, commissioned one month after the Texas, was to be powered by the reciprocating engines. At the time, the Texas\u0026#039; engines were initially described as \u0026quot;the ultimate in naval reciprocating engine construction.\u0026quot;\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe USS Texas is the last surviving warship of its kind\u2014powered by reciprocating steam engines. It was launched at Newport News in 1912 during a period in which naval authorities were switching to the newly-developed steam turbine for propulsion, but were unsure of its suitability. Only one more warship, the New York, commissioned one month after the Texas, was to be powered by the reciprocating engines. At the time, the Texas' engines were initially described as \"the ultimate in naval reciprocating engine construction.\"\u003C/span\u003E\u003C/span\u003E naval reciprocating engine construction.\"","title":"USS Texas' Reciprocating Steam Engines","link":"","lat":29.75617,"lon":-95.089866,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Union_Canal_Tunnel,_1827\" title=\"ASCE-Landmark:Union Canal Tunnel, 1827\"\u003EUnion Canal Tunnel, 1827\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Union Canal Tunnel is the oldest existing transportation tunnel in the United States.","title":"Union Canal Tunnel, 1827","link":"","lat":40.35111111,"lon":-76.46583333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Union_Pacific_Big_Boy_4023_and_Centennial_6900\" title=\"ASME-Landmark:Union Pacific Big Boy 4023 and Centennial 6900\"\u003EUnion Pacific Big Boy 4023 and Centennial 6900\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003ETo pull heavy freight trains on fast sched\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"To pull heavy freight trains on fast schedules over long distances and mountain grades, the Union Pacific railroad purchased some of the largest steam and diesel-electric locomotives ever built. No. 4023 is one of twenty-five \u0026quot;Big Boy\u0026quot; articulated steam engines that operated between 1941 and 1959. It was specifically designed to haul fast, heavy eastbound freight trains between Utah and Wyoming, over a 1.14 percent grade. All of the Big Boys were coal-burning, stoker-fired, and designed to run 7,000 horsepower at 70 miles per hour. They have been lauded in the industry as the highest horsepower, heaviest, and longest steam locomotives ever built. After the war, the Big Boy locomotives were slowly superseded on the original assignment by diesel locomotives, finally ending their operation in 1959.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003ETo pull heavy freight trains on fast schedules over long distances and mountain grades, the Union Pacific railroad purchased some of the largest steam and diesel-electric locomotives ever built. No. 4023 is one of twenty-five \"Big Boy\" articulated steam engines that operated between 1941 and 1959. It was specifically designed to haul fast, heavy eastbound freight trains between Utah and Wyoming, over a 1.14 percent grade. All of the Big Boys were coal-burning, stoker-fired, and designed to run 7,000 horsepower at 70 miles per hour. They have been lauded in the industry as the highest horsepower, heaviest, and longest steam locomotives ever built. After the war, the Big Boy locomotives were slowly superseded on the original assignment by diesel locomotives, finally ending their operation in 1959.\u003C/span\u003E\u003C/span\u003Es, finally ending their operation in 1959.","title":"Union Pacific Big Boy 4023 and Centennial 6900","link":"","lat":41.272045,"lon":-95.923121,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Union_Station,_1894\" title=\"ASCE-Landmark:Union Station, 1894\"\u003EUnion Station, 1894\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EUnion Station, in which 22 railroad lines from east and west terminated in a centralized location, was the largest in the world at the time of its construction.","title":"Union Station, 1894","link":"","lat":38.62802778,"lon":-90.20787222,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:United_States_Military_Academy_at_West_Point,_1802\" title=\"ASCE-Landmark:United States Military Academy at West Point, 1802\"\u003EUnited States Military Academy at West Point, 1802\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe U.S. Military Academy is the oldest educational institution in the United States to offer formal academic instruction in the field of civil engineering.","title":"United States Military Academy at West Point, 1802","link":"","lat":41.3927,"lon":-73.9584,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Utica_Memorail_Auditorium,_1959\" title=\"ASCE-Landmark:Utica Memorail Auditorium, 1959\"\u003EUtica Memorail Auditorium, 1959\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Utica Memorial Auditorium was among the first of three cable-suspended roofs in the world and the first to employ a double-layer bicycle roof system where cables are strung from an exterior compression ring to an interior tension ring held in midair.","title":"Utica Memorail Auditorium, 1959","link":"","lat":43.105,"lon":-75.23333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Vallecitos_Boiling_Water_Reactor\" title=\"ASME-Landmark:Vallecitos Boiling Water Reactor\"\u003EVallecitos Boiling Water Reactor\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Vallecitos Boiling Water Reactor was t\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Vallecitos Boiling Water Reactor was the first privately owned and operated nuclear power plant to deliver significant quantities of electricity to a public utility grid. It was a pilot plant, a collaborative effort of the General Electric Company and Pacific Gas and Electric Company, with Bechtel serving as engineering contractor. Its construction was approved by General Electric Company\u0026#039;s management in 1955, begun in 1956, and completed in 1957; it went critical on August 3 of that year and was connected with the utility grid on October 19.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Vallecitos Boiling Water Reactor was the first privately owned and operated nuclear power plant to deliver significant quantities of electricity to a public utility grid. It was a pilot plant, a collaborative effort of the General Electric Company and Pacific Gas and Electric Company, with Bechtel serving as engineering contractor. Its construction was approved by General Electric Company's management in 1955, begun in 1956, and completed in 1957; it went critical on August 3 of that year and was connected with the utility grid on October 19.\u003C/span\u003E\u003C/span\u003Eected with the utility grid on October 19.","title":"Vallecitos Boiling Water Reactor","link":"","lat":37.611129,"lon":-121.84075,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Viaducto_Del_Malleco,_1890\" title=\"ASCE-Landmark:Viaducto Del Malleco, 1890\"\u003EViaducto Del Malleco, 1890\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Viaducto del Malleco, an early steel \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Viaducto del Malleco, an early steel viaduct, utilized steelwork prefabricated in France. The structure has an overall length of 408 m and carries the rail line 91 m above the Malleco River. The viaduct typifies the engineering challenge associated with design and construction in remote mountainous areas.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Viaducto del Malleco, an early steel viaduct, utilized steelwork prefabricated in France. The structure has an overall length of 408 m and carries the rail line 91 m above the Malleco River. The viaduct typifies the engineering challenge associated with design and construction in remote mountainous areas.\u003C/span\u003E\u003C/span\u003E construction in remote mountainous areas.","title":"Viaducto Del Malleco, 1890","link":"","lat":-37.96305556,"lon":-72.43888889,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Victoria_Dutch_Windmill\" title=\"ASME-Landmark:Victoria Dutch Windmill\"\u003EVictoria Dutch Windmill\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe wind-powered gristmill in Victoria, Te\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The wind-powered gristmill in Victoria, Texas, was built in 1870 by Fred Meiss, Jr., and Otto Fiek near Spring Creek, from parts of the first windmill in the new state of Texas, erected by E.G. Witte. The millstones are the ones Witte imported from Europe and are believed to be one of the earliest sets in the United States to survive.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe wind-powered gristmill in Victoria, Texas, was built in 1870 by Fred Meiss, Jr., and Otto Fiek near Spring Creek, from parts of the first windmill in the new state of Texas, erected by E.G. Witte. The millstones are the ones Witte imported from Europe and are believed to be one of the earliest sets in the United States to survive.\u003C/span\u003E\u003C/span\u003Eiest sets in the United States to survive.","title":"Victoria Dutch Windmill","link":"","lat":28.801111,"lon":-97.001389,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Victoria_Falls_Bridge,_1905\" title=\"ASCE-Landmark:Victoria Falls Bridge, 1905\"\u003EVictoria Falls Bridge, 1905\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Victoria Falls Bridge is a 152-meter span, steel-lattice, two-hinged arch bridge with a deck level 122 m above the Zambezi River and is situated just downstream from Victoria Falls in a site of unsurpassed grandeur.","title":"Victoria Falls Bridge, 1905","link":"","lat":-17.93333333,"lon":25.85,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Voyager_Spacecraft_Interplanetary_Explorers\" title=\"ASME-Landmark:Voyager Spacecraft Interplanetary Explorers\"\u003EVoyager Spacecraft Interplanetary Explorers\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Voyager explorers, which provided scie\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Voyager explorers, which provided scientists and the world with the first detailed pictures of faraway planets, were designed and tested during 1972 to 1977. The explorers were launched from Cape Canaveral, Fla., in 1977; Voyager 2 was launched first on August 20, followed by Voyager 1 on September 5.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Voyager explorers, which provided scientists and the world with the first detailed pictures of faraway planets, were designed and tested during 1972 to 1977. The explorers were launched from Cape Canaveral, Fla., in 1977; Voyager 2 was launched first on August 20, followed by Voyager 1 on September 5.\u003C/span\u003E\u003C/span\u003E 20, followed by Voyager 1 on September 5.","title":"Voyager Spacecraft Interplanetary Explorers","link":"","lat":34.201264,"lon":-118.171394,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Vulcan_Street_Plant,_1882\" title=\"ASCE-Landmark:Vulcan Street Plant, 1882\"\u003EVulcan Street Plant, 1882\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen it began operation, the Vulcan Street\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"When it began operation, the Vulcan Street Plant was the first Edison hydroelectric central station to serve a system of private and commercial customers in North America. This project was the beginning of cooperation among civil, mechanical, and electrical engineers to provide power for the United States.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EWhen it began operation, the Vulcan Street Plant was the first Edison hydroelectric central station to serve a system of private and commercial customers in North America. This project was the beginning of cooperation among civil, mechanical, and electrical engineers to provide power for the United States.\u003C/span\u003E\u003C/span\u003Ers to provide power for the United States.","title":"Vulcan Street Plant, 1882","link":"","lat":44.25333333,"lon":-88.41166667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Vulcan_Street_Power_Plant\" title=\"ASME-Landmark:Vulcan Street Power Plant\"\u003EVulcan Street Power Plant\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Vulcan Street Power Plant, which began\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Vulcan Street Power Plant, which began operation only twenty-six days after Thomas Edison\u0026#039;s first steam plant began operating on Pearl Street in New York (landmark #46), was the first Edison hydroelectric central station to serve a system of private and commercial customers in North America.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Vulcan Street Power Plant, which began operation only twenty-six days after Thomas Edison's first steam plant began operating on Pearl Street in New York (landmark #46), was the first Edison hydroelectric central station to serve a system of private and commercial customers in North America.\u003C/span\u003E\u003C/span\u003Eand commercial customers in North America.","title":"Vulcan Street Power Plant","link":"","lat":44.258078,"lon":-88.397365,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Waldo-Hancock_Suspension_Bridge,_1931\" title=\"ASCE-Landmark:Waldo-Hancock Suspension Bridge, 1931\"\u003EWaldo-Hancock Suspension Bridge, 1931\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Waldo-Hancock Suspension Bridge was the first bridge to make use of the Vierendeel truss in its two towers, giving it an effect that David Steinman called \u201cartistic, emphasizing horizontal and vertical lines.\"","title":"Waldo-Hancock Suspension Bridge, 1931","link":"","lat":44.560692,"lon":-68.801966,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Walnut_Street_Bridge,_1890\" title=\"ASCE-Landmark:Walnut Street Bridge, 1890\"\u003EWalnut Street Bridge, 1890\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen completed with fifteen truss spans and an overall length of 2820 feet, the Walnut Street Bridge was the finest and largest example of the standardized wrought iron truss bridges produced by the Phoenix Bridge Company.","title":"Walnut Street Bridge, 1890","link":"","lat":40.25833333,"lon":-76.88916667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Ward_House,_1876\" title=\"ASCE-Landmark:Ward House, 1876\"\u003EWard House, 1876\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen built, the Ward House was the first reinforced concrete building constructed in the United States dramatically demonstrating the construction potential of an engineered combination of steel and concrete.","title":"Ward House, 1876","link":"","lat":41.02583333,"lon":-73.66694444,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Washington_Monument,_1885\" title=\"ASCE-Landmark:Washington Monument, 1885\"\u003EWashington Monument, 1885\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen completed, the Washington Monument was the tallest structure in the world.","title":"Washington Monument, 1885","link":"","lat":35.88333333,"lon":-77.03333333,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Waterford_(Union)_Bridge_(replaced_in_1909),_1804\" title=\"ASCE-Landmark:Waterford (Union) Bridge (replaced in 1909), 1804\"\u003EWaterford (Union) Bridge (replaced in 1909), 1804\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe original wooden Union Bridge, built in\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The original wooden Union Bridge, built in 1804 near Waterford, New York, was the first to cross the lower Hudson River and lasted for 105 years until it burned down in 1909 when it was replaced by the existing steel bridge. Built on the same piers, the new steel truss bridge continues the more than 200 years of service to the area.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe original wooden Union Bridge, built in 1804 near Waterford, New York, was the first to cross the lower Hudson River and lasted for 105 years until it burned down in 1909 when it was replaced by the existing steel bridge. Built on the same piers, the new steel truss bridge continues the more than 200 years of service to the area.\u003C/span\u003E\u003C/span\u003Eore than 200 years of service to the area.","title":"Waterford (Union) Bridge (replaced in 1909), 1804","link":"","lat":42.7887,"lon":-73.67386667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Waterford_Bridge,_1909\" title=\"ASCE-Landmark:Waterford Bridge, 1909\"\u003EWaterford Bridge, 1909\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe original wooden Union Bridge, built in\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The original wooden Union Bridge, built in 1804, was the first to cross the lower Hudson River and lasted for 105 years until it burned down in 1909 when it was replaced by the existing steel bridge. Built on the same piers, the new steel truss bridge continues the more than 200 years of service to the area.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe original wooden Union Bridge, built in 1804, was the first to cross the lower Hudson River and lasted for 105 years until it burned down in 1909 when it was replaced by the existing steel bridge. Built on the same piers, the new steel truss bridge continues the more than 200 years of service to the area.\u003C/span\u003E\u003C/span\u003Eore than 200 years of service to the area.","title":"Waterford Bridge, 1909","link":"","lat":42.7887,"lon":-73.67386667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Watertown_Arsenal,_1816\" title=\"ASCE-Landmark:Watertown Arsenal, 1816\"\u003EWatertown Arsenal, 1816\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Watertown Arsenal was the first major engineering testing laboratory in the United States. The dissemination of its test results made this arsenal of special significance to the civil engineering profession.","title":"Watertown Arsenal, 1816","link":"","lat":42.35833333,"lon":-71.16666667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Watkins_Woolen_Mill\" title=\"ASME-Landmark:Watkins Woolen Mill\"\u003EWatkins Woolen Mill\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Watkins Woolen Mill is among the best \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Watkins Woolen Mill is among the best preserved examples of a Midwest woolen mill in nineteenth-century United States. Its machinery for preparing, spinning, and weaving wool reflects the existence of well-established textile industry in the country. It was designed and built by Waltus L. Watkins (1806-1884), a machinist and master weaver from Frankfort, Kentucky, who began operating his mill in 1861 in Clay County.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Watkins Woolen Mill is among the best preserved examples of a Midwest woolen mill in nineteenth-century United States. Its machinery for preparing, spinning, and weaving wool reflects the existence of well-established textile industry in the country. It was designed and built by Waltus L. Watkins (1806-1884), a machinist and master weaver from Frankfort, Kentucky, who began operating his mill in 1861 in Clay County.\u003C/span\u003E\u003C/span\u003Eoperating his mill in 1861 in Clay County.","title":"Watkins Woolen Mill","link":"","lat":39.410195,"lon":-94.259638,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:West_Baden_Springs_Hotel,_1901\" title=\"ASCE-Landmark:West Baden Springs Hotel, 1901\"\u003EWest Baden Springs Hotel, 1901\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAt the time of its completion, the West Baden Springs Hotel was the largest domed structure in the world. The dome diameter of 200 feet was not surpassed for more than 60 years.","title":"West Baden Springs Hotel, 1901","link":"","lat":38.56722222,"lon":-86.61805556,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Westmoreland_Iron_Works\" title=\"ASME-Landmark:Westmoreland Iron Works\"\u003EWestmoreland Iron Works\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Westmoreland Iron Works, founded as Oa\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Westmoreland Iron Works, founded as Oakhill Malleable Iron Company in 1833 and established under its present name in Westmoreland in 1850, was the oldest malleable iron company in continuous operation in the United States. Its history was inseparable from that of the small town of Westmoreland, where neighbors and workers kept time by the foundry bell. Erastus W. Clark, who along with his brother-in-law Abel Buell brought the foundry to Westmoreland, ran the ironworks until 1871 and was the first of six generations who owned and managed it.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Westmoreland Iron Works, founded as Oakhill Malleable Iron Company in 1833 and established under its present name in Westmoreland in 1850, was the oldest malleable iron company in continuous operation in the United States. Its history was inseparable from that of the small town of Westmoreland, where neighbors and workers kept time by the foundry bell. Erastus W. Clark, who along with his brother-in-law Abel Buell brought the foundry to Westmoreland, ran the ironworks until 1871 and was the first of six generations who owned and managed it.\u003C/span\u003E\u003C/span\u003E six generations who owned and managed it.","title":"Westmoreland Iron Works","link":"","lat":43.11624,"lon":-75.400019,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Wheeling_Suspension_Bridge,_1856\" title=\"ASCE-Landmark:Wheeling Suspension Bridge, 1856\"\u003EWheeling Suspension Bridge, 1856\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen built, the Wheeling Suspension Bridge was the first long-span wire-cable suspension bridge in the country.","title":"Wheeling Suspension Bridge, 1856","link":"","lat":40.07016111,"lon":-80.72735,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Whipple_Truss_Bridge,_1855\" title=\"ASCE-Landmark:Whipple Truss Bridge, 1855\"\u003EWhipple Truss Bridge, 1855\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Whipple Truss Bridge, relocated to Union College, was built from a design patented in 1841 by Squire Whipple and was the first scientifically designed truss bridge in the United States.","title":"Whipple Truss Bridge, 1855","link":"","lat":47.75,"lon":-73.91666667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:White_Pass_and_Yukon_Railroad,_1900\" title=\"ASCE-Landmark:White Pass and Yukon Railroad, 1900\"\u003EWhite Pass and Yukon Railroad, 1900\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAmerican and Canadian engineers constructed the White Pass and Yukon Railroad, extending from Skagway, Alaska, to White Horse, Yukon Territory, in only 27 months, representing the first cold region engineered construction in Alaska.","title":"White Pass and Yukon Railroad, 1900","link":"","lat":59.45833333,"lon":-135.3125,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:White_River_Concrete_Arch_Bridge,_1930\" title=\"ASCE-Landmark:White River Concrete Arch Bridge, 1930\"\u003EWhite River Concrete Arch Bridge, 1930\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWhen completed, the White River Concrete Arch Bridge included the first major use of a cableway in association with lattice steel ribs that acted as reinforcement and precluded the need for conventional centering.","title":"White River Concrete Arch Bridge, 1930","link":"","lat":36.26666667,"lon":-90.54166667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Wilkinson_Mill\" title=\"ASME-Landmark:Wilkinson Mill\"\u003EWilkinson Mill\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Wilkinson Mill, situated on the west b\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Wilkinson Mill, situated on the west bank of the Blackstone River in Pawtucket, was built between 1810 and 1811 by machinist Oziel Wilkinson. Constructed in stone rubble, three and one-half stories high, the mill played a critical role in the history of textile technology, in steam power generation, and in the development of the machine tools industry.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Wilkinson Mill, situated on the west bank of the Blackstone River in Pawtucket, was built between 1810 and 1811 by machinist Oziel Wilkinson. Constructed in stone rubble, three and one-half stories high, the mill played a critical role in the history of textile technology, in steam power generation, and in the development of the machine tools industry.\u003C/span\u003E\u003C/span\u003Edevelopment of the machine tools industry.","title":"Wilkinson Mill","link":"","lat":41.877547,"lon":-71.38239,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:William_Tod_Rolling-Mill_Engine\" title=\"ASME-Landmark:William Tod Rolling-Mill Engine\"\u003EWilliam Tod Rolling-Mill Engine\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe William Tod Company of Youngstown was \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The William Tod Company of Youngstown was one of a handful of builders of very large machinery for the American steel industry. The landmark engine, with cylinders of 34- and 68-inch bore by 60-inch stroke, is representative of the firm\u0026#039;s\u2014and the industry\u0026#039;s\u2014application of steam power to rolling-mill drive early in the period of gradual transition to electric drive. As a cross-compound, non-reversing merchant mill engine, it featured cylinders located across form one another on two separate bedplates. The frame, cylinder, and flywheel castings, and the crankshaft, piston-rod, and connecting-rod forgings of these engines are typical of the largest work pieces produced by the nation\u0026#039;s foundries and forges.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe William Tod Company of Youngstown was one of a handful of builders of very large machinery for the American steel industry. The landmark engine, with cylinders of 34- and 68-inch bore by 60-inch stroke, is representative of the firm's\u2014and the industry's\u2014application of steam power to rolling-mill drive early in the period of gradual transition to electric drive. As a cross-compound, non-reversing merchant mill engine, it featured cylinders located across form one another on two separate bedplates. The frame, cylinder, and flywheel castings, and the crankshaft, piston-rod, and connecting-rod forgings of these engines are typical of the largest work pieces produced by the nation's foundries and forges.\u003C/span\u003E\u003C/span\u003Euced by the nation's foundries and forges.","title":"William Tod Rolling-Mill Engine","link":"","lat":41.129875,"lon":-80.625348,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Williamsburg_Bridge,_1903\" title=\"ASCE-Landmark:Williamsburg Bridge, 1903\"\u003EWilliamsburg Bridge, 1903\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Williamsburg Bridge's 1,600-foot main span was the longest in the world from 1903 until 1924. With 40-foot deep stiffening trusses, it was the first suspension bridge over 1,000 feet to have steel towers.","title":"Williamsburg Bridge, 1903","link":"","lat":40.75,"lon":-73.95,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Woodhead_Dam,_1897\" title=\"ASCE-Landmark:Woodhead Dam, 1897\"\u003EWoodhead Dam, 1897\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Woodhead Dam was the first large mason\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Woodhead Dam was the first large masonry dam in South Africa. A regional water system with a major reservoir was a bold venture requiring difficult construction in a remote area. Innovative techniques, including an aerial cableway to carry materials, were needed. The dam\u0026#039;s successful completion paved the way for sister dams that continue to supply water to Cape Town and its environs.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Woodhead Dam was the first large masonry dam in South Africa. A regional water system with a major reservoir was a bold venture requiring difficult construction in a remote area. Innovative techniques, including an aerial cableway to carry materials, were needed. The dam's successful completion paved the way for sister dams that continue to supply water to Cape Town and its environs.\u003C/span\u003E\u003C/span\u003Eupply water to Cape Town and its environs.","title":"Woodhead Dam, 1897","link":"","lat":-33.97638889,"lon":18.40222222,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Worthington_Horizontal_Cross-Compound_Pumping\" title=\"ASME-Landmark:Worthington Horizontal Cross-Compound Pumping\"\u003EWorthington Horizontal Cross-Compound Pumping\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe York Water Company, the oldest investo\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The York Water Company, the oldest investor-owned water company in Pennsylvania, began its operation in 1816 distributing spring water through log pipes. In 1849 it became clear that the town was outgrowing the spring capacity, and the Company decided to augment the supply by pumping water from the Codorus Creek. The new building demanded the installation of the latest equipment, a steam-powered pump. When a cleaner water supply was required and the old pumping station was abandoned, the new raw water pumping station was built near Brillhart in1897.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe York Water Company, the oldest investor-owned water company in Pennsylvania, began its operation in 1816 distributing spring water through log pipes. In 1849 it became clear that the town was outgrowing the spring capacity, and the Company decided to augment the supply by pumping water from the Codorus Creek. The new building demanded the installation of the latest equipment, a steam-powered pump. When a cleaner water supply was required and the old pumping station was abandoned, the new raw water pumping station was built near Brillhart in\u0026lt;/br\u0026gt;1897.\u003C/span\u003E\u003C/span\u003E station was built near Brillhart in\n1897.","title":"Worthington Horizontal Cross-Compound Pumping","link":"","lat":39.962991,"lon":-76.724617,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Wright_Field_5-Foot_Wind_Tunnel\" title=\"ASME-Landmark:Wright Field 5-Foot Wind Tunnel\"\u003EWright Field 5-Foot Wind Tunnel\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EWind tunnel testing of aircraft models is \u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"Wind tunnel testing of aircraft models is essential to determine aerodynamic parameters such as lift and drag. The 5-foot Wright Field wind tunnel is an early example of the modern wind tunnel, well known from the early 1920s to the late 1950s for its contributions to research and the development of nearly every major aircraft and associated hardware used by the US Air Force and its predecessor, the Army Air Service.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EWind tunnel testing of aircraft models is essential to determine aerodynamic parameters such as lift and drag. The 5-foot Wright Field wind tunnel is an early example of the modern wind tunnel, well known from the early 1920s to the late 1950s for its contributions to research and the development of nearly every major aircraft and associated hardware used by the US Air Force and its predecessor, the Army Air Service.\u003C/span\u003E\u003C/span\u003Eand its predecessor, the Army Air Service.","title":"Wright Field 5-Foot Wind Tunnel","link":"","lat":39.789453,"lon":-84.101931,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Wright_Flyer_III\" title=\"ASME-Landmark:Wright Flyer III\"\u003EWright Flyer III\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe 1905 Wright Flyer III, built by Wilbur\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The 1905 Wright Flyer III, built by Wilbur (1867-1912) and Orville (1871-1948) Wright, was the world\u0026#039;s first airplane capable of sustained, maneuverable flight. Similar in design to their celebrated first airplane, this machine featured a stronger structure, a larger engine turning new \u0026quot;bent-end\u0026quot; propellers, and greater control-surface area for improved safety and maneuverability.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe 1905 Wright Flyer III, built by Wilbur (1867-1912) and Orville (1871-1948) Wright, was the world's first airplane capable of sustained, maneuverable flight. Similar in design to their celebrated first airplane, this machine featured a stronger structure, a larger engine turning new \"bent-end\" propellers, and greater control-surface area for improved safety and maneuverability.\u003C/span\u003E\u003C/span\u003Ea for improved safety and maneuverability.","title":"Wright Flyer III","link":"","lat":39.729172,"lon":-84.199913,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Wyman-Gordon_50,000-Ton_Hydraulic_Forging_Press\" title=\"ASME-Landmark:Wyman-Gordon 50,000-Ton Hydraulic Forging Press\"\u003EWyman-Gordon 50,000-Ton Hydraulic Forging Press\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EAfter World War II, two factors soon pushe\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"After World War II, two factors soon pushed the U.S. toward heavy press production: First, the growing interest in supersonic aviation, and the rumblings of the Korean War. The outgrowth of the need for larger, stronger aircraft parts was the Air Force Heavy Press Program. Air Force Lt. Gen. K. B. Wolfe, one of the team who had visited post-war Germany to inspect the presses, was the originator and prime motivator of the program.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EAfter World War II, two factors soon pushed the U.S. toward heavy press production: First, the growing interest in supersonic aviation, and the rumblings of the Korean War. The outgrowth of the need for larger, stronger aircraft parts was the Air Force Heavy Press Program. Air Force Lt. Gen. K. B. Wolfe, one of the team who had visited post-war Germany to inspect the presses, was the originator and prime motivator of the program.\u003C/span\u003E\u003C/span\u003Einator and prime motivator of the program.","title":"Wyman-Gordon 50,000-Ton Hydraulic Forging Press","link":"","lat":42.255601,"lon":-71.802068,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASME-Landmark:Xerography\" title=\"ASME-Landmark:Xerography\"\u003EXerography\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EIn 1937, Chester Carlson, a New York paten\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"In 1937, Chester Carlson, a New York patent attorney, developed the concept of applying an electrostatic charge on a plate coated with a photoconductive material. On November 22, 1938, Carlson dusted powder dyed with evergreen spores across an exposed plate and transferred the imprint to the surface of a paper.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EIn 1937, Chester Carlson, a New York patent attorney, developed the concept of applying an electrostatic charge on a plate coated with a photoconductive material. On November 22, 1938, Carlson dusted powder dyed with evergreen spores across an exposed plate and transferred the imprint to the surface of a paper.\u003C/span\u003E\u003C/span\u003Ered the imprint to the surface of a paper.","title":"Xerography","link":"","lat":39.989716,"lon":-83.020723,"icon":"/w/images/a/a0/Orangemarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Zhaozhou_Bridge_(or_Anji),_605\" title=\"ASCE-Landmark:Zhaozhou Bridge (or Anji), 605\"\u003EZhaozhou Bridge (or Anji), 605\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Zhaozhou Bridge, with a span of 37 meters, is the world\u2019s oldest open-spandrel arch bridge.","title":"Zhaozhou Bridge (or Anji), 605","link":"","lat":37.72016667,"lon":114.76325,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Zion_Mt._Carmel_Tunnel_%26_Hwy,_1930\" title=\"ASCE-Landmark:Zion Mt. Carmel Tunnel \u0026amp; Hwy, 1930\"\u003EZion Mt. Carmel Tunnel \u0026amp; Hwy, 1930\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Zion Mt. Carmel Tunnel and Highway inc\u003Cspan class=\"smw-highlighter\" data-type=\"2\" data-state=\"persistent\" data-title=\"Information\" title=\"The Zion Mt. Carmel Tunnel and Highway includes the longest vehicular tunnel in the National Park system (5,613 ft), which was blasted through the towering sandstone cliffs above Pine Creek Canyon. Construction of the tunnel and highway required extraordinary access through cliff-face galleries for blasting and excavation.\"\u003E\u003Cspan class=\"smwtext\"\u003E \u2026 \u003C/span\u003E\u003Cspan class=\"smwttcontent\"\u003EThe Zion Mt. Carmel Tunnel and Highway includes the longest vehicular tunnel in the National Park system (5,613 ft), which was blasted through the towering sandstone cliffs above Pine Creek Canyon. Construction of the tunnel and highway required extraordinary access through cliff-face galleries for blasting and excavation.\u003C/span\u003E\u003C/span\u003Eace galleries for blasting and excavation.","title":"Zion Mt. Carmel Tunnel \u0026 Hwy, 1930","link":"","lat":37.21666667,"lon":-112.9666667,"icon":"/w/images/6/6c/Greenmarker.png"},{"text":"\u003Cb\u003E\u003Ca href=\"/ASCE-Landmark:Zuiderzee_Enclosure_Dam,_1932\" title=\"ASCE-Landmark:Zuiderzee Enclosure Dam, 1932\"\u003EZuiderzee Enclosure Dam, 1932\u003C/a\u003E\u003C/b\u003E\u003Chr /\u003EThe Zuiderzee Enclosure Dam has successfully barred the sea for over 50 years. The structure protects a large area north of Amsterdam, allowing construction of polders to claim these areas of land from the sea.","title":"Zuiderzee Enclosure Dam, 1932","link":"","lat":52.83333333,"lon":5.333333333,"icon":"/w/images/6/6c/Greenmarker.png"}]}
Retrieved from "https://ethw.org/w/index.php?title=Map&oldid=115469"
