monkeyswrench
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Isn't it sad though. They finished a massively impressive project in less time than it takes to do an environmental impact study now. They did so with tools and equipment archaic by modern standards, and nothing it the way of computer calculations or modeling.How long did it take to build the dam, powerplant, and appurtenant works? Five years. The contractors were allowed seven years from April 20, 1931, but concrete placement in the dam was completed May 29, 1935, and all features were completed by March 1, 1936