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"The Greatest Dam in the World": Building Hoover Dam (Teaching with
Hoover Dam marks 85th anniversary of final concrete pour | Boulder City
Construction History of Hoover Dam "The Greatest Dam in the World
Building Hoover Dam, in pictures (1931-1936)
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Building the Hoover Dam, 1931-1936
Hoover Dam under construction photo by Nancy Hugo CKD | Hoover dam