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 Fallman Family Papers (approximately 1950-2005) consist of correspondence, newspaper clippings, photographic prints and slides, scrapbooks, and pamphlets from James and Ima Fallman and their daughter, Janice. The correspondence primarily relates to James and Ima Fallman and chronicles Ima's involvement with the Francisco Garces chapter of the Daughters of the American Revolution (DAR), James's work as a bartender in Las Vegas, Nevada, and awards he received during World War II. The newspaper clippings mention either James Fallman or his daughter, Janice, and her involvement with the Las Vegas High School Rhythmettes dance team. The majority of materials from Janice describe her school days at Las Vegas High School and events participated in as a child and young adult.

The Valerie Wiener Papers (approximately 1920-2023) document the life and career of former Nevada state senator, Valerie Wiener. Materials document her political career serving in the Nevada State Senate and working as the press secretary for Harry Reid congressional offices. The collection also includes materials that represent Wiener's work as a communications specialist through her consulting businesses and her nonprofit work. Other materials in this collection document Wiener's personal life including her childhood and family, educational experiences, and her spiritual practice.