The Bob Parker Photograph Collection consists of twenty-seven black-and-white photographic prints showcasing the construction of the Hoover Dam (Boulder Dam) from approximately 1930 to 1942.

The Morrison Family Photograph Collection (1917-1933) consists of black-and-white and color photographic prints, negatives, and slides. The images primarily depict the Morrison family in Las Vegas, Nevada and the surrounding areas. Images portray youth activities in Nevada, including a local Boy Scouts Troop, Las Vegas High School students, Clark County High School students, as well as student activities at the University of Nevada, Reno. Also included are images of scenes around Las Vegas, including Mount Charleston, Little Falls, and the Colorado River prior to the Hoover Dam (Boulder Dam). Other images include Morrison family trips to California, Utah, Oregon, and Arizona.

The Charles Rozaire Collection on Tule Springs, Nevada (1950-2005) contains photographic slides of various archeological sites across Clark County, Nevada, the majority of which were taken at the Tule Springs archaeological site. The collection also contains Rozaire's files documenting the excavation investigations at Tule Springs which include Rozaire's writings, newspaper clippings, programs, and photocopied articles regarding Tule Springs.

The Thomas McLaughlin Papers (1937-1985) are comprised of newspaper clippings, photographs, and correspondence about real estate, the Clark County Democratic Party, and local fraternal organizations, especially the Knights of Columbus and the Friendly Sons of Saint Patrick in Las Vegas, Nevada. Materials also include some clippings on McLaughlin's appointment as trustee of the Las Vegas Park Racetrack in 1955.