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| navigate by keyword : 103 1931 1933 1935 1936 1947 archgravity arizona b40 b41 b42 b43 b44 b45 b46 b47 b48 b49 between black border boulder canyon colorado concrete congress constructed construction cost dam dedicated depression during effort for franklin from great herbert hoover hundred involving its joint known lives massive nevada officially one originally over president renamed resolution result river roosevelt september states thousands was workers |
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| Hoover Dam is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the border between the U.S. states of Nevada and Arizona. It was constructed between 1931 and 1936 during the Great Depression and was dedicated on September 30, 1935, by President Franklin D. Roosevelt. Its construction was the result of a massive effort involving thousands of workers, and cost over one hundred lives. Originally known as Boulder Dam from 1933, it was officially renamed Hoover Dam, for President Herbert Hoover, by a joint resolution of Congress in 1947. |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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