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The Colorado River was diverted in November 1932, the first concrete was poured in June 1933.The dam started impounding water in June 1935, the last concrete was poured May 1935, the dam was officially dedicated by Pres. Roosevelt September 1935.

It was built between 1931 and 1936. Finished 1936; dedicated Sept. 30, 1935.

It was completed in 1935
The dam was completed in 1935 which was two years ahead of schedule.

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Henriette Pagac

Lvl 13
3y ago

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