This day in history – building of hoover dam begins – 1930 – the Hoover dam construction being built building vintage photographs power colorado river between 1934 everyday into now Building hoover dam, in pictures (1931-1936)
A Historical Photo Gallery of the Building of Hoover Dam | Boulder City
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Construction history of hoover dam "the greatest dam in the world
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Construction history of hoover dam "the greatest dam in the world
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