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.
Description printed on back of photograph: "A group at the State Department. Left to Right: Edward Lund, Harry MC. Connor, Howard Hughes, Secretary of State Cordell Hull, Lt. Thomas Thurlow and Richard Stoddart. July 1938."
Description printed on photograph's accompanying sheet of paper: "Howard Hughes after his round the world flight shaking hands with Secretary of State Cordell Hell as R. Walton Moore Counselor of the Department of State looks on. July 1938."
Description printed on photograph's accompanying sheet of paper: "Howard Hughes being escorted through crowd after delivering an address at the National Press Club on July 21."