The History of the Hoover Dam documentary

A 700-foot high dam was Herbert Hoover's solution to the unemployment resulting from the Great Depression. Hoover Dam is a concrete arch-gravity dam in the Black Canyon of the Colorado River,.

Sign up to Swagbucks and earn $100s a year by shopping online, watching videos and taking surveys. Click this link for a $3 sign-up bonus: Hoover Dam, once known as Boulder.

The Story Of Hoover Dam / Colorado River Educational Documentary - Ella73TV Glen Canyon Dam is a concrete arch dam on the Colorado River in northern Arizona in the United States, near the town.

Documentary,2015, Reinventing The Hoover Dam | Megastructures - National Geographic documentary Reinventing The Hoover Dam | Megastructures - National Geographic . No Copyright Infrin