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Hoover Dam is as tall as a 60-story building. It was the highest dam in the world when it was completed in 1935. Its base is as thick as two football fields. Each spillway, designed to let floodwat…
Hoover Dam is as tall as a 60-story building. It was the highest dam in the world when it was completed in 1935. Its base is as thick as two…
How long did the Hoover Dam take to build? - Quora
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Building the Hoover Dam seen through rare photographs, 1931-1936
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Building the Hoover Dam seen through rare photographs, 1931-1936
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What are some interesting facts about the Hoover Dam? - Quora
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Hoover dam construction 1931 hi-res stock photography and images