Kenny Slaught mentions that Hoover Dam was built during the Great Depression, from 1931 to 1936, for no less than $49 million. Although named Boulder Dam at first, its name was changed to Hoover Dam to honor President Herbert Hoover who was a main supporter. The large structure can generate over 4,2 billion kWh 2 in a year, and has a 35.000 cubic kilometers total capacity. It is 221 meters high and 379 meters long.
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