Bonneville Dam

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Bonneville Dam

(bŏn`əvĭl), one of the major dams on the Columbia River where it passes through the Cascade Mts., between Oregon and Wash. The dam, 2,690 ft (820 m) long and 197 ft (60 m) high, was built between 1933 and 1943 by the U.S. Corps of Engineers and was one of the largest hydroelectric projects undertaken under the New DealNew Deal,
in U.S. history, term for the domestic reform program of the administration of Franklin Delano Roosevelt; it was first used by Roosevelt in his speech accepting the Democratic party nomination for President in 1932.
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. It is used for navigation, flood control, and power production. Locks permit ships to pass around the dam; fish ladders allow salmon to spawn upriver.