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Boysen Dam
The Boysen Dam is a rockfill dam on the Wind River in the U.S. state of Wyoming. The dam lies at the head of Wind River Canyon through the Owl Creek Mountains in western Wyoming and creates Boysen Reservoir. It is owned by the U.S. Bureau of Reclamation and furnishes irrigation water supply to the Bighorn Basin as well as providing flood control and hydroelectric power.
==History==
The first dam to be built at the Wind River Canyon site was actually in 1908, when Asmus Boysen supervised the construction of a small concrete run-of-the-river structure that generated 710 kilowatts of electricity. This early dam, located just downriver of the present Boysen Dam, silted up by 1925 and was removed in 1948. As early as 1904, the Bureau of Reclamation also made investigative forays into the area for the construction of a dam, although a final report was not completed until 1942. Initially, by a suggestion of the U.S. Army Corps of Engineers, the Boysen Dam would be built right over the site of the old dam, but the location was changed to about one and a half miles (2.4 km) upstream in order to reduce cost.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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