The Southern Nevada Historical Society Photograph Collection on Basic Magnesium, Inc. contains photographs of the construction of Basic Magnesium Inc.'s plants and buildings from 1941 to 1942. The photographs primarily depict aerial views of the plant site and various buildings, including the administration building, tent camp, chlorination buildings, electrolysis facilities, electrical distribution systems, and warehouses. The photographs also depict Lake Mead and the early buildings in Henderson, Nevada.

The Clinton Wright Photographs (1964-2018) contains black-and-white photographic negatives of various sizes, dating from 1964 to 1971. The images document the Black experience in Las Vegas, Nevada during the 1960s and 1970s, and capture scenes of everyday life in the historic Black neighborhood known as the Westside, social events such as weddings and parties, and events hosted by local churches. The collection also contains a photograph of Clinton Wright from 2017 when he visited the University of Nevada, Las Vegas Special Collections and Archives, and a memorial program for his wife, Joyce Wright, who passed away in 2018.

The Six Companies, Inc. Hoover Dam Photograph Collection (1931-1935), consists of approximately 400 black-and-white photographic prints contained in two photograph albums and an additional twenty-one loose black-and-white photographic prints with ten corresponding photographic negatives.