The collection, 1949 to 2006, was compiled by Clifford Olsen, a containment physicist at the Nevada Test Site (NTS). It consists of research notes and working papers written by Olsen and other scientists, publications, epoxy aggregate samples, work-related correspondence, nuclear-test-event data, and interviews conducted by Olsen with work colleagues involved with the NTS.

The Desert Fishes Council Records (1969-1988) consist of resolutions, meeting minutes, symposium programs, agendas, and press releases of the Desert Fishes Council (DFC). The organization is devoted to the study and preservation of Southwestern desert fishes, notably the desert pupfish. The DFC records reflect efforts to bring the plight of desert fishes to the attention of academics and the public as well as highlight the worth of desert lands within the American environmental movement.

The Las Vegas High School Class of 1929 Collection (1921-1979) contains materials relating to the Las Vegas High School graduating class of 1929. Materials include a scrapbook with photographs, pamphlets, fliers, and newspaper clippings from the thirtieth, fortieth, forty-fifth, and fiftieth reunions, as well as poster boards and oversized photographs from the 1920s.

The Tonopah, Nevada Mining Town Photograph Album (approximately 1908) consists of twenty-two photographs in a leather-bound album. The photographs depict businesses, townspeople, street scenes, and mining operations in Tonopah, Nevada and the surrounding areas of Goldfield, Nevada and Mina, Nevada. Also included are photographs of a fire on May 12, 1908 that destroyed a block of commercial buildings in Tonopah, which were taken by local photographer E. W. Smith., and views of the downtown area both before and after the fire.

The Junior League of Las Vegas Photograph Collection contains photographic prints and negatives, as well as postcards of locations in and around Las Vegas, Nevada between approximately 1900 and 1980. Early photographs in the collection offer views of the Las Vegas townsite, buildings, railroads, the Las Vegas High School, Overland Hotel, Arizona Club, and residential areas. Other photographs during this time depict the Hoover Dam (Boulder Dam) construction and Death Valley, California. Later photographs show the University of Nevada, Las Vegas (UNLV) campus, downtown Las Vegas, and the Las Vegas Strip.