The Boulder City 31ers Photograph Collection depicts the construction of the Hoover (Boulder) Dam and the development of Boulder City, Nevada from 1930 to 1987. The photographs primarily depict construction of the Hoover Dam, but they also depict workers, dormitories, the Colorado River, stores, and Black Canyon.
Howard Hughes in the Lockheed 14. Typed on a piece of paper attached to the image: "As Howard Hughes took off from Coast for flight east. Los Angeles, California-- The huge Lockheed "Flying Laboratory" of Howard Hughes, millionaire oil man and speed flyer, taking off from here for the flight to New York, from where he will take off for Paris. Credit Line (ACME) 7/4/1938."