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.
A rear view of Howard Hughes Grover Whalen, and Al Lodwick riding in the back of an automobile in a parade dedicated to Hughes for his completion of the round-the-world flight. Typed onto a piece of paper attached to the image: "Rear view of car in which Howard Hughes, Al. Lodwick, and Grover Whalen ride up Broadway after Howard Hughes flight Around the World. July 1938."