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.

Bibliography

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

References in periodicals archive ?
B Street is ultimately a profound testimony to the history and culture of the Indians whose way of life was overwhelmed with change through the creation of the Grand Coulee Dam.
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One such dam, the Grand Coulee Dam on the Columbia River in Washington, irrigated only half the land it was supposed to.
That's small potatoes in the hydro-rich Pacific Northwest, where the Grand Coulee Dam on the Columbia River cranks out nearly 7,000 megawatts.
Not, perhaps, the nation state; it is doubtful that the state as an institution will ever again command the kind of loyalties and commitments and moral prestige that gave us Word War I, the Grand Coulee Dam, the defense of Stalingrad, the Holocaust, and the Apollo program.
Grand Coulee Dam in the state of Washington began operations two years ahead of schedule.