Loading ...Hoover Dam, once known as Boulder Dam, is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the border between the US states of Arizona and Nevada. It was constructed between 1931 and 1936, and was dedicated on September 30, 1935 by President Franklin Roosevelt. Its construction was the result of a massive effort involving thousands of workers, and cost over a hundred lives.
Hoover Dam impounds Lake Mead, and is located near Boulder City, Nevada, a municipality originally created for workers on the construction project, about 30 mi (48 km) south of Las Vegas, Nevada.
http://en.wikipedia.org/wiki/Hoover_Dam
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