A view of the downstream face of Hoover Dam; from this angle, the power house can be seen at the base of the dam, along with intake towers in of Lake Mead.
An image of the downstream face of Hoover Dam in Black Canyon. The dam's power plant, outlet works and diversion tunnel portals are visible in the foreground. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Caption at bottom of image reads: "Trucking mamoth (sic) concrete buckets in the 50 ft. dia. tunnels, Boulder Dam." Boulder Dam was officially re-named Hoover Dam in 1947.