The Don Ashbaugh Papers (1950-1960) document Las Vegas history, Nevada history, and ghost towns. The collection is comprised of the working manuscript of Don Ashbaugh's book, Nevada's Turbulent Yesterday: A Study in Ghost Towns. The collection also contains typescript drafts, newspaper clippings, and a geographical index of Nevada ghost towns.

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.