Hoover Dam cost $49 million, and was erected in the Great Depression times, from 1931 to 1936. At first, its name was Boulder Dam, but was renamed to Hoover Dam to mark the support of President Herbert Hoover. Kenny Slaught notes that Hoover Dam’s height is 221 meters, it has a length of 379 meters, and a full capacity of 35.000 cubic kilometers. The project can give out over 4.2 billion kWh2 in a year.
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