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.
Black and white image of three children reading at the Boulder City Library. The library was then housed in the basement of the city's municipal building.
Howard Hughes (second from left) standing in front of the experimental helicopter XH-17, Flying Crane, with others (from left to right): Rea Hopper, Director of the Aeronautical Division, Hughes Aircraft Company; Hughes; Clyde Jones, Director of Engineering, Hughes Tool Company Aeronautical Division; Warren Reed, Assistant; Colonel Carl E. Jackson, Air Research and Development Headquarters, Baltimore; Gale J. Moore, Pilot; possibly Chal Bowen, Flight Engineer/Co-pilot, and an unidentified man, October 23, 1952.