The Las Vegas Black Historical Society Records (2005-2009) document the organization's history including correspondence, meeting agendas and minutes, bylaws, articles, a corporate charter, and use agreements. Also included is a Proclamation from Nevada State Senator Steven Horsford regarding the Second Annual Gathering of the Las Vegas Black Historical Society on January 27, 2007.

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.