The Las Vegas, Nevada photographs consist of black-and-white photographic prints and negatives and a postcard from approximately 1916 to 1940. The images portray the Salt Lake Railroad Depot, Fremont Street, and the Down family Texaco station. Also included are images of the 1930 Las Vegas Volunteer Fire Department and the 1926 Las Vegas High School basketball team.

The Goodsprings, Nevada photographs are comprised of photographic prints, negatives, and slides, as well as a postcard from approximately 1915 to 1920. The images depict George A. Fayle's department store, the Goodsprings Hotel, the Yellow Pine Mill tracks, and the Pioneer Saloon. Also included is an image of the Down family residence.

The Glenn Davis' photographs of the Colorado River and Hoover Dam (Boulder Dam) consists of black-and-white photographic prints and negatives, as well as color photographic slides from approximately 1930 to 1940. The images primarily depict the construction phases of the Hoover Dam. Also included are images of Black Canyon and the Colorado River, in addition to images of Lake Mead.