Hoover Dam
726.4 feet high (221m)
1,244 feet wide (379 m)
660 feet (203 m) thick at the base
45 feet (13 m) thick at the top
$165 million dollars to build
4.5 years to build
4.4 million yards of concrete used for construction
March 1931 building began
September 30, 1935 President Franklin D. Roosevelt dedicated the completed dam
Powerhouse
17 generators
4+ billion kilowatt hours produced each year
10 acres of floor space
Power used by:
56% California
25% Nevada
19% Arizona
And it made lake Mead!