Hungry Horse Dam, 564 ft (172 m) high and 2,115 ft (645 m) long, NW Mont. on the southern fork of the Flathead River. A major unit in the development program for the Columbia River basin, it was built (1948–53) to provide hydroelectric power, flood control, and irrigation. Hungry Horse Reservoir, formed by the dam, extends c.35 mi (55 km) upstream.
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