Public domain
Tennessee Valley Authority. Watts Bar Dam hydroelectric plant. Tightening a nut on a guide vane operating servomotor in TVA's hydroelectric plant at Watts Bar Dam on the Tennessee River. Located 530 miles above the mouth of the Tennessee River, the dam has an authorized power installation of 90,000
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Credit lineTennessee Valley Authority. Watts Bar Dam hydroelectric plant. Tightening a nut on a guide vane operating servomotor in TVA's hydroelectric plant at Watts Bar Dam on the Tennessee River. Located 530 m. 1942-01-01. Palmer, Alfred T., United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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