Black and white image of the downstream face of Hoover Dam and its power plant at night, as seen from the lower portal road at the dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
The black and white view of unidentified people surrounding the Lockheed 14 aircraft. Typed on a piece of paper attached to the image: "Rolling Howard Hughes' plane out of hangar at Floyd Bennett Field, with Lt. Thomas Thurlow, one of the navigators, calibrating the compass. 7/9/38."