Hoover Dam’s construction began in 1931 and was finished in 1936.

The maximum water depth of Hoover Dam is 590 feet or 179 meters.

The Hoover Dam is 726 feet or 221 meters high.

Hoover Dam is 1,244 feet or 379 meters long.

Hoover Dam has about 4,400,000 cubic yards or 3,360,000 cubic meters of concrete.

Approximately 21,000 people worked in constructing the Hoover Dam.

There were 112 deaths associated with the construction of Hoover Dam.

The Hoover Dam supplies electrical power to three US states.

Construction cost is about $49 million (1931 budget)

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