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 Pueblo Grande de Nevada Manuscript Collection (1924-1983) contains journal articles, photocopies of artifact inventories, reports, correspondence, and field notes related to the Pueblo Grande de Nevada archaeological site located in the Overton Valley of Southern Nevada. The bulk of the materials are related to Mark R. Harrington's archaeological reports, journal articles, and data from sites throughout the Overton and Moapa valleys. The collection also includes materials related to the Boulder Dam Park Museum (Lost City Museum of Archaeology) located in Overton, Nevada, which housed many of the artifacts and photographs from Harrington's archaeological sites.

The Byrd Wall Sawyer Collection primarily consists of Byrd's research files on Nevada from 1930 to 1970. The materials concentrate on her monograph, "Nevada Nomads," as well as her co-authored textbook, "Here is Nevada." The collection also includes speeches, journal articles, memos, research note cards and papers, correspondence, informational booklets and pamphlets, maps, photographs, audiovisual materials, and newspaper articles and clippings.

The Richard B. Taylor Papers (1920-1993) document Richard Taylor's career and interests as a longtime Las Vegas, Nevada businessman and local historian, including his work as an executive at the Hacienda Hotel and Casino. The materials also include maps, development plans, and local publications for the Nevada communities of Laughlin and Mount Charleston, as well as publicity and promotional materials for these projects. As an amateur historian, Taylor also collected information on Las Vegas, Laughlin, and Mount Charleston.

The Nevada Desert Experience Records (1951-2009) are comprised of files from the anti-nuclear organization, the Nevada Desert Experience (NDE), as well as its predecessor, the Sagebrush Alliance, and those of earlier unincorporated protests at the Nevada Test Site (NTS). Materials include board of directors meeting minutes, financial records, scrapbooks, personnel records, event speeches, correspondence, newspaper clippings, cartoons and other artwork, newsletters, brochures, fliers, research files on nuclear issues and other anti-nuclear organizations, and congressional testimony. The records also contain audiovisual materials, photographic prints and slides, screenplays, manuscripts, and newspapers related to the NDE's media efforts.