| Chief Joseph Dam |
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| columbia river | |
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Construction began in 1949 , with the main dam and intake structure completed in 1955 . Installation of the initial generating units was completed in 1958 . Eleven additional turbines were installed between 1973 and 1979 , and the dam and lake were raised 10 feet, making Chief Joseph Dam the second largest hydropower producer in the U.S. The dam is 545 miles (877 kilometers) upriver from the mouth of the Columbia at Astoria, Oregon . It is operated by the United States Army Corps Of Engineers ' (ACE) Chief Joseph Dam Project Office, and has a capacity of 2,620,134 kW. The electricity is marketed by the Bonneville Power Administration . The Reservoir behind the dam is named Rufus Woods Lake, and runs 51 miles (82 kilometers) up the river channel. Bridgeport State Park , on the lake, is adjacent to the dam. SEE ALSO EXTERNAL LINKS |
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