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Dry Dock

Society: ASCEMain Category: CivilSub Category: Water TransportationEra: 1830-1839DateCreated: 1834Rennshaw StreetPortsmouthState: VAZip: 23704Country: USAWebsite: http://www.asce.org/People-and-Projects/Projects/Landmarks/Naval-Drydocks-at-Boston-and-Norfolk/Creator: Baldwin, Loammi
Baldwin's dry dock in Virginia has been designated a National Historical Landmark and is still in use at the Norfolk Naval Shipyard. The Charlestown dry dock and original pump house, while no longer used, are on display as part of the Boston National Historical Park. Although the need for dry-docking facilities to speed the cleaning and repair of ships in America's naval fleet was apparent as early as 1789, it was the War of 1812, and the burning of Washington, D.C., that finally convinced Congress of the importance of a coastal defense system based on a strong navy.
YearAdded:
1977
Image Credit: Public Domain (National Park Service)Image Caption: Gosport Naval Dry DocksEra_date_from: 1834
Keokuk Hydro-Power System
Society: ASCEMain Category: CivilSub Category: Power GenerationEra: 1910-1919DateCreated: 1913Mississippi RiverKeokukState: IAZip: 52632Country: USAWebsite: http://www.asce.org/project/keokuk-dam---power-plant-project/Creator: Cooper, Hugh

Spearheaded by Hugh Cooper, the Keokuk Dam & Power Plant served as a prototype for many future power plants. The project harnessed the hydropower of the Mississippi River, between Keokuk, Iowa and Hamilton, Illinois.

The crest of the dam is nearly a mile long. The dam structure features 119 arch spans between six-foot-thick piers and a 110-foot-wide pneumatic lock. Combined with the lock, the dam reduced travel time for steamboats by nearly two hours.

YearAdded:
1988
Image Credit: Courtesy Flickr/Michael R. Allen (CC BY 2.0)Image Caption: Mississippi River Lock and Dam number 19Era_date_from: 1913
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