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Embudo, New Mexico Stream Gauging Station
Society: ASCEMain Category: CivilSub Category: Water Supply & ControlEra: 1880-1889DateCreated: 1888EmbudoState: NMZip: 87531Country: USAWebsite: http://www.asce.org/project/embudo,-new-mexico-stream-guaging-station/Creator: Powell, John Wesley

A tiny village on the Rio Grande River in northern New Mexico became the training center for the first American hydrographers and provided the first stream-gauging operations of the U.S. Geological Survey. To plan any water system, it is necessary to know the amount of water flowing in the stream or river at all times - including low, normal, and flood conditions. 

YearAdded:
1973
Image Credit: Courtesy Wikicommons/Chris English (CC BY-SA 3.0)Image Caption: Near Velarde, NM: U.S. Geological Survey Rio Grande Embudo Gaging Station, 2011Era_date_from: 1888
El Camino Real - The Royal Road
Society: ASCEMain Category: CivilSub Category: Roads & RailsEra: 1000-1599DateCreated: 1519Mexico City to Santa FeState: NMZip: 87501Country: USAWebsite: https://www.asce.org/project/el-camino-real---the-royal-road/Creator: Spain, Kingdom of

El Camino Real (literally, "the royal road") is the oldest and longest historical trail in the Western Hemisphere. The transportation link has, through the centuries, been called various names, including El Camino Real de Tierra Adentro (literally, "the road to the interior" because the U.S. frontier was seen as the country interior to Mexico), the King's Highway and the Royal Highway. It became a transportation lifeline that helped integrate Spanish and European culture in the Southwestern U.S. 

YearAdded:
1986
Image Credit: Courtesy Wikipedia/National Park ServiceImage Caption: El Camino Real (literally, "the royal road") is the oldest and longest historical trail in the Western Hemisphere. Era_date_from: 1519
East Maui Irrigation System
Society: ASCEMain Category: CivilEra: 1870-1879DateCreated: 1876-1923East MauiState: HICountry: USAWebsite: http://www.asce.org/Project/East-Maui-Irrigation-System/Creator: Henry Perrine Baldwin

The East Maui Irrigation System is Hawaii's most dramatic water story. It began with the construction of the Old Hamakua Ditch built between 1876 and 1878. This privately financed, constructed and managed irrigation system was one of the largest in the United States. It eventually included 50 miles of tunnels; 24 miles of open ditches, inverted siphons and flumes; incorporates approximately 400 intakes and 8 reservoirs.

YearAdded:
2002
Image Credit: Courtesy Flickr/Will Scullin (CC BY 2.0)Image Caption: East Maui Irrigation DitchEra_date_from: 1876
Society: ASCEMain Category: CivilSub Category: Water Supply & ControlEra: 1870-1879DateCreated: 1875-1879New OrleansState: LAZip: 70113Country: USAWebsite: http://www.asce.org/Project/Eads-South-Pass-Navigation-Works/Creator: Eads, James Buchanan

"Eads had to succeed in the face of conventional wisdom which doomed him to disaster. Entrenched authorities not only completely dismissed his theories, but pointed to the indifferent European experiences with what he proposed."  
 - ASCE Landmark Nomination Proposal, 1982   

YearAdded:
1982
Era_date_from: 1875
Dublin-Belfast Rail Link
Society: ASCEMain Category: CivilSub Category: Rail TransportationEra: 1840-1849DateCreated: 1842-1855Dublin to BelfastCountry: IrelandWebsite: http://www.asce.org/Project/Dublin-Belfast-Rail-Link/

The Dublin to Belfast Rail Link established a vital connection between the capitals of Northern Ireland and the Republic of Ireland. The line's most notable engineering feature was the 1,760-foot-long Boyne Bridge; it represented one of the earliest uses of calculated stresses, the first large-scale use of wrought iron latticed girders, and the first full scale test of continuous beams. Tests performed on the wrought iron columns and struts were published and provided invaluable information for engineers who would design similar structures in the future. 

YearAdded:
1996
Image Credit: Courtesy Wikipedia/Henry ClarkImage Caption: The Dublin to Belfast Rail Link established a vital connection between the capitals of Northern Ireland and the Republic of Ireland.Era_date_from: 1842
City Plan of Philadelphia
Society: ASCEMain Category: CivilSub Category: StructuresEra: 1600sDateCreated: 1682PhiladelphiaState: PAZip: undefinedCountry: USAWebsite: https://www.asce.org/project/city-plan-of-philadelphia/

The City Plan of Philadelphia is a seminal creation in American city planning in that it was the first American City Plan to provide open public squares for the free enjoyment of the community and a gridiron street pattern featuring streets of varying widths: wide main streets and narrower side streets. In addition this plan was the first city plan in the United States to provide for long-term urban growth. These features inspired the planners of many cities to adopt the Philadelphia Plan as a model. 

YearAdded:
1996
Image Credit: Courtesy Wikipedia/DogearsImage Caption: The City Plan of Philadelphia pioneered many features of American city planning.Era_date_from: 1682
Chesbrough's Water Supply System
Society: ASCEMain Category: CivilEra: 1860-1869DateCreated: 1864-1869ChicagoState: ILZip: 60604Country: USAWebsite: http://www.asce.org/project/chesbrough-s-chicago-water-supply-system/Creator: Chesbrough, Ellis

Constructed to provide a safe, potable water supply for the citizens of Chicago, Ellis Chesbrough's Chicago Water Supply System was the first major system to utilize offshore intake systems. The system includes the landmark Chicago Water Tower and the Chicago Avenue Pumping Station. Its subaqueous tunnel was a pioneering effort in American civil engineering.

YearAdded:
1972
Image Credit: Courtesy Wikipedia/WickdrewImage Caption: Ellis Chesbrough's Chicago Water Supply System was the first major system to utilize offshore intake systems.Era_date_from: 1864
Seventh Street Improvement Arches
Society: ASCEMain Category: CivilSub Category: BridgesEra: 1880-1889DateCreated: 1883St. PaulState: MNZip: 55117Country: USAWebsite: http://www.asce.org/project/seventh-street-improvement-arches/Creator: Truesdell, William A.

Designed by William A. Truesdell, a railroad engineer, the Seventh Street Improvement Arches celebrates the engineering application of mathematics to improve living conditions.

YearAdded:
2000
Image Credit: Courtesy Wikipedia/Elkman (CC BY-SA 3.0) Image Caption: Designed by William A. Truesdell, a railroad engineer, the Seventh Street Improvement Arches celebrates the engineering application of mathematics to improve living conditions.Era_date_from: 1883
Ohio Canal System
Society: ASCEMain Category: CivilSub Category: Water TransportationEra: 1800-1829DateCreated: 1825N/AState: OHCountry: USAWebsite: http://www.asce.org/Project/Ohio-Canal-System/Creator: Ohio, State of

Between 1825 and 1847 the State of Ohio constructed 1,000 miles of canals and feeder canals, 33,000 acres of reservoir surface area, 29 dams across streams, 294 lift locks, 44 aqueducts and many smaller structures at a cost of about 16 million dollars. The network of navigable canals provided a system of economical transportation where none had previously existed; the young state, with its isolated frontier lifestyle, was transformed almost overnight into a thriving segment of the nation's economy.

YearAdded:
1983
Image Credit: Courtesy WikipediaImage Caption: A part of the Ohio Canal System in 1902.Era_date_from: 1825
Louisville and Portland Canal Locks & Dam
Society: ASCEMain Category: CivilSub Category: Water TransportationEra: 1830-1839DateCreated: 1830LouisvilleState: KYZip: 40202Country: USAWebsite: http://www.asce.org/Project/Louisville-and-Portland-Canal-Locks---Dam/Creator: Louisville and Portland Canal Company

Chartered in 1825, the Louisville and Portland Canal Company was authorized to construct a canal around the rapids called the "Falls of the Ohio." Construction started on March 1, 1826. The canal and first generation of locks were completed in 1830. As originally constructed, the canal was 1.9 miles long, 64 feet wide, and terminated at its lower end with a three-flight lock system with a total lift of 26 feet. Each lock chamber was 198 feet long between miter posts, with available length for vessels of 183 feet, width of 52 feet, and a lift at low stages of 8.5 feet.

YearAdded:
2002
Image Credit: public domainImage Caption: The Louisville and Portland Canal was completed in 1830.Era_date_from: 1830
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Innovations

Ellicott's Stone

The stone was set by the joint U.S.-Spanish survey party on April 10, 1799.  Made of sandstone, it is roughly two feet high and eight inches thick. On the north side of the stone is the inscription "U.S. Lat. 31, 1799." On the south side is "Dominio de S.M. Carlos IV, Lat. 31, 1799."

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Erie Canal

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Modified Fink trussed Girder bridge

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Fort Peck Dam

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Frankford Avenue Bridge

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Fritz Engineering Laboratory

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Galveston Seawall and Grade Raising

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Going-to-the-Sun Road

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Glacier National…

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Golden Gate Bridge

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Goldfields Water Supply

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Goodyear Airdock

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Gota Canal

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Grand Coulee Dam

The massive Grand Coulee Dam, on the Columbia River, is the largest concrete structure in the U.S., the largest hydroelectric facility in the U.S., and the sixth-largest hydroelectric facility in the world. It provides irrigation for up to 1.1 million acres of agricultural lands and the…

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Guayabo Ceremonial Center

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Gunnison Tunnel

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Eiffel Tower

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Hagia Sophia

The church of Hagia Sophia (literally "Holy Wisdom") in Constantinople, now Istanbul, was first dedicated in 360 by Emperor Constantius, son of the city's founder, Emperor Constantine. Hagia Sophia served as the cathedra, or bishop's seat, of the city. Originally called Megale Ekklesia (Great…

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Hanford B Reactor

In the first nine months of operation, the B reactor produced fissionable plutonium for the world's first atomic bomb (the Trinity test on July 16, 1945), and for the atomic bomb that was dropped on Nagasaki, Japan, on August 9, 1945, killing 35,000 people.  This, and similar destruction at…

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Cranetown Triangulation Site

The precise system of measurements provided today by the U.S. Coast and Geodetic Survey originated with an act of Congress under the administration of Thomas Jefferson in 1807 that funded work on "an accurate chart" of America's coastal waters. Intended to aid sea-going commerce, the first…

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