Boulder Dam

Related Category: U.S. Physical Geography

see Hoover Dam.

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More on Boulder Dam

Hoover Dam - 726 ft (221 m) high and 1,244 ft (379 m) long, on the Colorado River between Nev. and Ariz.; one of the world's largest dams. Built between 1931 and 1936 by the U.S. Bureau of Reclamation, the dam is ...