The Las Vegas Astronomical Society Records (1981-2003) focus on the early history of the Society. The collection contains membership information, descriptions of the organization's founding by both its first director and first president, a copy of the Society's newsletter from 2003, and color slides from 1981 and 1982 that document the Society's early activities.

The Collection of Newspaper Clippings on Thomas Hanley is comprised of photocopied newspaper articles from the Las Vegas Sun and Las Vegas Review-Journal, dating from 1956 and 1972. The materials relate to the life and career of Thomas Hanley, a union boss accused of several murders and convicted of the murder of Al Bramlet.

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.