The UNLV Libraries Collection of 1983 Hoover Dam Overflow Photographs is a series of color photographs that document the historic water overflow at Hoover Dam as seen from the Arizona side of the dam. Taken in August of 1983, this overflow marked the first time the spillways were used during a flood. The spillways were previously tested once in 1941 after the dam was initially filled.

UNLV Libraries Collection of Argosy Gaming Company Promotional Materials and Reports includes annual reports, financial reports, prospectus, equity reports, stockholder meeting notices, 10-K reports, 10-Q reports, and newspaper clippings for Argosy Gaming Company in Alton, Illinois, dating from 1993 to 2001.

The Morrison Family Photograph Collection (1917-1933) consists of black-and-white and color photographic prints, negatives, and slides. The images primarily depict the Morrison family in Las Vegas, Nevada and the surrounding areas. Images portray youth activities in Nevada, including a local Boy Scouts Troop, Las Vegas High School students, Clark County High School students, as well as student activities at the University of Nevada, Reno. Also included are images of scenes around Las Vegas, including Mount Charleston, Little Falls, and the Colorado River prior to the Hoover Dam (Boulder Dam). Other images include Morrison family trips to California, Utah, Oregon, and Arizona.

William M. Stewart Correspondence is primarily comprised of handwritten letters addressed to U.S. Senator William Morris Stewart, between 1854 and 1872. Many of the letters were written during his first term in office. Also included is one document about the reappointment of a postmaster of Sutro, Nevada, and a manuscript telegram from Frances P. Hayes about the territorial organization and judicate district in Indian Territory.

The Charles Rozaire Collection on Tule Springs, Nevada (1950-2005) contains photographic slides of various archeological sites across Clark County, Nevada, the majority of which were taken at the Tule Springs archaeological site. The collection also contains Rozaire's files documenting the excavation investigations at Tule Springs which include Rozaire's writings, newspaper clippings, programs, and photocopied articles regarding Tule Springs.