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.

The Kiel Family Photographs (approximately 1854-1989) contains glass plate negatives of members of the Kiel and George families, as well as neighbors from the Stewart and Wilson ranches and ranch workers. The majority of the photographs were taken at the Kiel Ranch site in North Las Vegas, Nevada. The collection consists of the original glass plate negatives, as well as photographic print and negative duplicates made using the originals.

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.