The Nan Doughty Family Collection dates from 1845 to 1993 and documents Doughty's personal and professional life. She collected correspondence and papers related to her extended family members including Sallie Bradford, Seymour Kimball Bradford, William Hillman Shockley, and May Bradford Shockley. The collection also includes papers from her father, Thorwald A. Siegfriedt, and her mother, Lou-vee Bradford Siegfried. Doughty used her family histories to write historical essays about early Nevada. The collection includes her professional papers as well as drafts and correspondence related to her writings.

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.