The C. C. (Clio Cline) Mobley Photograph Collection (approximately 1911 to 1917) consists of sixteen black-and-white photographic prints with corresponding photographic negatives. The images depict the Las Vegas, Nevada Ranch while the Mobley family leased it from the Union Pacific Railroad during the period. The photographs depict the home, swimming pool, the Old Las Vegas Mormon Fort, and orchards and streams on the property.

The Archaeo-Nevada Society Records (1930-2016) consist of archaeological and conservation articles, correspondence, brochures, newsletters, programs, maps, and information about the flora and fauna of Nevada. Materials also include scrapbooks and photograph albums detailing the activities of the society between 1966 and 1999.