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Sydney Harbour Bridge
Society: ASCEMain Category: CivilSub Category: BridgesEra: 1930-1939DateCreated: 1932Port JacksonMilsons PointState: NSWZip: 206Country: AustraliaWebsite: http://www.asce.org/Project/Sydney-Harbour-Bridge/Creator: Bradfield, John , Freeman, Ralph

The design of the Sydney Harbour Bridge closely resembles the Hell Gate Bridge over the East River in New York City, conceived in 1916 by noted engineer Gustav Lindenthal and his chief assistant, O.H. Ammann.

YearAdded:
1988
Image Credit: Courtesy Flickr/Kevin Gibbons (CC BY 2.0)Image Caption: Sydney Harbour BridgeEra_date_from: 1932
Charles River Basin Project
Society: ASCEMain Category: CivilSub Category: Water Supply & ControlEra: 1910-1919DateCreated: 1910BostonState: MACountry: USAWebsite: http://www.asce.org/Project/Charles-River-Basin-Project/Creator: Freeman, John

The Charles River Basin was one of the pioneering environmental engineering projects in America. The project transformed 675 acres of unhealthy and unsightly salt marshes and tidal flats were into an environmental centerpiece for the Boston area by 1910. This was one of the first public projects to radically improve the environment and has served as a model for similar projects around the nation. 

YearAdded:
1981
Image Credit: Courtesy Wikipedia/Daderot (CC BY-SA 3.0)Image Caption: Charles River Basin ProjectEra_date_from: 1910
Society: ASMEMain Category: MechanicalSub Category: Environmental ControlEra: 1920-1929DateCreated: 1920Hudson River Greenway; ManhattanNew YorkState: NYCountry: USAWebsite: http://www.asme.org/about-asme/history/landmarks/topics-a-l/environmental-control/-93-holland-tunnel-ventilation-system-%281920%29Creator: Freeman, Milton
The first long underwater tunnel in the world designed for motor vehicle use was built from 1920 to 1927. The 29.5-foot-diameter, 8,500-foot-long twin tubes of this tunnel were shield-driven by the pneumatic method through extremely difficult river-bottom conditions that were overcome by the ingenuity and determination of its engineers, Clifford M. Holland, Milton H. Freeman, and Ole Singstad. They were the largest in the United States when built.
YearAdded:
1984
Image Credit: Courtesy Flickr/Bill Benzon (CC BY-SA 2.0)Image Caption: Holland Tunnel Ventilation SystemEra_date_from: 1920
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