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.

This collection is unprocessed; see the access note for additional information. The Robert Scott Hooper Photographs (approximately 1960-2019) consist of photographic negatives, positives, prints, Polaroids, 16mm films, videos, business records, correspondence, drawings, and ephemera. The collection was created by prolific photographer Robert Scott Hooper and his longtime business partner and wife, Theresa Holmes. The couple's life and business was based in Las Vegas, Nevada. Hooper's work focused on the female form, encompassing many areas of interest including sexual entertainment, modeling, pornography, and Las Vegas entertainment. Hooper was a contributing photographer with Playboy and Vegas Visitor magazines. Hooper also photographed many celebrities, Las Vegas production shows, notable events like hotel implosions, and the development of the Las Vegas Strip, including early time-lapse work on the Luxor Hotel and Casino and The Venetian. This collection also includes business records, model contracts, and correspondence.