less than 1 minute read

Grand Coulee Dam

Grand Coulee Dam, 550 ft (168 m) high and 4,173 ft (1,272 m) long dam on the Columbia River in the state of Washington. Built 1933–42, it is part of one of the world's largest hydroelectric generating plants.

See also: Columbia River.

Additional topics

21st Century Webster's Family Encyclopedia21st Century Webster's Family Encyclopedia - Ghibellines to Grand Prix