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 Kitty Rodman Collection on Sierra Construction Corporation (1987-2014) consists of one photograph album documenting the construction of the Mirage Hotel & Casino by Sierra Construction Corporation, and a binder containing photocopied documents and photographs providing a narrative of Kitty Rodman's life and career in Las Vegas as director of the corporation and as a noted philanthropist. Also included in the binder is a list of projects by Sierra Construction Corporation up to 1992, which contains construction dates and additional information such as project supervisor names.