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 Evelyn Stuckey Papers date from 1940 to 1972 and document Stuckey's experience as a physical education teacher at Las Vegas High School (LVHS) in Las Vegas, Nevada and founder of the LVHS Rhythmettes dance group. The collection contains personal and educational materials from Stuckey’s college years, personal correspondence, and photographs. It also contains materials documenting the Rhythmettes' activities including travel plans, posters and fliers, news clippings, and group rosters.

The State of Arizona vs. State of California Proceedings Concerning the Colorado River Usage Dispute collection (1957-1961) contains supplemental documents from the Arizona v. California Supreme Court case that began in 1931 and ended in 2000, including briefs, objections, requests for admissions of facts, rebuttal outlines, witness outlines, comments, and requested findings of facts.