The Bureau of Reclamation opens bids for the construction of Boulder (Hoover) Dam and Power Plant. The contract is awarded to Six Companies, a construction and engineering firm made up of some of ...

The construction of Hoover Dam was proof of human progress on many levels. Progress on civil rights and race relations, however, could not be counted among them.

Shows the building of Hoover Dam itself including how rock quarries concrete factories and even steel mills were built on location to supply the needs of the dam builders Against all odds In 1931 ...