The Yucca Mountain Environmental Safety Collection (1970-2011) consists of reports and impact studies collected by Clark County's Nuclear Waste Division library for documenting Yucca Mountain's potential health and safety risks to Southern Nevada. The reports contain documents pertaining to potential environmental, health, financial, and safety risks from the Yucca Mountain Nuclear Waste Repository, which is located in Nye County, Nevada. The collection contains scientific and social studies in support of and opposition to the site. The bulk of the collection includes licensing reports, site selection studies, and impact studies from transporting, storing, and handling radioactive waste and spent nuclear fuel.

The collection is comprised of architectural drawings (1952-1997) completed by American architect, Ethan Jennings Jr. and/or his architectural firm, Ethan Jennings Jr., AIA, CSI and includes Jenning's work from the firm of John Badgley, AIA, where Ethan Jennings Jr. worked in Southern California during the 1950s, as well as work Jenning's completed with Americo Inc., and Tolosa Group. The collection contains 217 sets of drawings, 6 boxes of project records, and 8 flat files of oversized material from over 200 different projects primarily located in California with some projects located in the Las Vegas area. The materials feature hand-drawn architectural drawings, ranging from preliminary sketches to construction documents. The drawings also contain work from consultants, engineers, and other architects who collaborated on the development of the various projects. The drawings include: commercial, industrial, professional, civic, residential, and religious buildings of varying scales, such as libraries, apartments, warehouses, office developments, schools, military buildings, churches, and custom single-family homes located throughout California and Las Vegas. The drawings also include a number of additions, remodels, and renovations. The collection also contains project records like structural calculations and drawings, project manuals and specifications, bid documents, and professional correspondence.

Oral history interview with Stella Champo Iaconis conducted by Kay Long on May 14, 1997, May 21, 1997, May 26, 1997, and September 22, 1997 for the Women's Research Institute of Nevada (WRIN) Las Vegas Women Oral History Project. Iaconis opens her interviews discussing her difficult upbringing and life on a ranch in Las Vegas, Nevada with her dad in the 1910s and 1920s. Iaconis then describes her experiences as a waitress in Las Vegas. As the interviews continue, Iaconis discusses Block 16 and sex work, the Helldorado Days, and life in 1930s Las Vegas. Iaconis ends the interview talking about her father and his career as a miner; her many husbands; and her personal history in Las Vegas.

Oral history interview with J. David Hoggard conducted by Claytee White and unnamed interviewer on various dates in 1997, 1998, and 1999 for the Women's Research Institute of Nevada (WRIN). Hoggard discusses serving in World War II, being transferred to Nellis Air Force Base in 1945, and moving to Las Vegas, Nevada from New Jersey in 1946. He also recalls becoming one of the first African American police officers in Las Vegas, and working in the Clark County School District for 15 years. Hoggard then discusses his involvement with the National Association for the Advancement of Colored People (NAACP), including serving as chapter president for four years.

The Stocker Family Papers (1860-1982) document the family’s personal, political, and business interests including Mayme Stocker’s 1931 Nevada gaming license and Harold Stocker’s involvement in the Nevada Republican party. The collection contains family correspondence, political documents and planning materials, and business records related to the family’s gaming and real estate interests.

The UNLV December 6, 2023 Memorial Collection (2023-2025) contains material documenting the response to the deadly shooting on UNLV's Maryland Parkway campus on December 6, 2023. The collection contains items left at spontaneous memorials, such as handwritten notecards, small religious tokens, bracelets, teddy bears, and artificial flowers. Also included in the collection are videos of the UNLV vigil service held on December 13, 2023, archived UNLV websites, and condolence items sent to campus administration. Additionally, two members of the UNLV community donated their personal photographs and journal entries relating to the day of the shooting.

The Charley Henchis Papers (approximately 1945-1987) document the career of international cabaret show producer Charley Henchis and the shows he produced in Las Vegas, Nevada and Beirut, Lebanon. Materials include Henchis' business files which includes correspondence, files on specialty acts, photographs, and press about Henchis. Shows represented in this collection includes La Parisienne which was performed at the Dunes Hotel in Las Vegas in 1960 before moving to Casino du Liban in Beirut. Other shows represented in this collection that were produced for Casino du Liban includes Mais Oui, S'il Vous Plait, Flash!, and Hello!. Additional materials include press and publicity files, music arrangements and scores, recordings of musical numbers used for the productions, and film footage of shows and production reels. Also included is film footage of the Charley Ballet, Henchis' dance troupe who were featured in his shows.