Grand Coulee Dam

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Grand Coulee Dam

(ko͞o`lē), 550 ft (168 m) high and 4,173 ft (1,272 m) long, on the Columbia River, N central Wash., NW of Spokane; built 1933–42 as a key unit in the Columbia basin projectColumbia basin project,
central Wash., a multipurpose development of the U.S. Bureau of Reclamation providing irrigation, hydroelectric power, and flood control. Its key unit, the Grand Coulee Dam, provides the project with power and pumps the waters of the Columbia River into
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 of the U.S. Bureau of Reclamation. Grand Coulee Dam, one of the world's largest concrete dams, is used for flood control, river navigation, irrigation, and power production that services the varied manufacturing in the area. The dam has the largest power-producing capacity (6,465 MW) in the United States. The dam impounds Franklin D. Roosevelt Lake, 130 sq mi (337 sq km), which extends to the Canadian border; it is one of the largest reservoirs in the United States. Power generated at the dam is used to pump water into Grand Coulee, a vertical-walled gorge, c.30 mi (48 km) long, carved by the Columbia River through the Columbia Plateau. The coulee, dammed at each end, is used as a reservoir (Banks Lake); it supplies water to more than 500,000 acres (202,343 hectares) on the plateau and acts as a backup against pump and power failures. Franklin D. Roosevelt Lake is part of Lake Roosevelt National Recreation Area. Located on the Pacific flyway, a chief north-south migratory route, the area has a great variety of waterfowl and land birds. Grand Coulee (1990 pop. 984) and Coulee Dam (1990 pop. 1,087) were founded by the U.S. government in 1935–36 as construction, operational, and housing bases for the dam.


See L. V. Downs, The Mightiest of Them All (rev. ed. 1993); P. C. Pitzer, Grand Coulee (1995).

References in periodicals archive ?
The FAA and DOI also have approved no-fly zones over five other Reclamation dams: Hoover Dam, which borders Nevada and Arizona, Glen Canyon Dam in northern Arizona, Grand Coulee Dam in Washington, and the Mid-Pacific Regions Shasta and Folsom dams.
Jaspers also reported on the early forecast for Columbia River flows past Grand Coulee Dam, upstream of the PUD's Rocky Reach and Rock Island dams.
This facility, located in Electric City Washington, is less than five kilometers from the Grand Coulee Dam which impounds a sizable portion of the Columbia River.
Another 200 miles on, taking in the Grand Coulee Dam, and you're in Spokane for two or three days.
The Grand Coulee Dam, Grand Coulee, Washington State
Reaching back into the history of his tribe, for example, he writes about the impact of the construction of the Grand Coulee Dam, which cut off his people's access to wild salmon, an essential element of the culture.
may be responsible for the costs to clean up contamination caused by air emissions from its smelter in British Columbia that landed on an enormous Superfund site near the Grand Coulee Dam in northeast Washington.
rooftops incorporated power from solar cells, the energy produced would be 25 times greater than the 21 billion kilowatt hours of hydroelectric power produced annually by the Grand Coulee Dam.
The plant is designed to safely shutdown in the unlikely event of the failure of Grand Coulee dam and the earthen portions of all downstream dams.
based Coulee Dam Federal Credit Union, building and testing a solid plan was a team effort between the credit union and IT-Lifeline, a Liberty Dam, Wash.
Coulee Dam Bonneville Richland When a family immigrates what trails in its wake?
On a similar note, the Grand Coulee Dam was once the world's largest power station.