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 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 Thomas Hickey Political Papers (1964-1996) contain the professional files of Hickey’s career as a Nevada State Assemblyman and Senator. Materials include constituent correspondence, voting records, memoranda, newspaper clippings, bills, and research documentation on topics such as the Yucca Mountain Nuclear Waste Repository, the Equal Rights Amendment (ERA), education, health, prisons, finance, and Nevada infrastructure. The collection highlights Hickey’s role on committees including finance, transportation, government affairs, and ways and means.

The Bill Schafer Papers (1980-2018) contain personal and professional papers of Las Vegas, Nevada journalist and publisher, Bill Schafer, and photographs from various LGBTQIA+ related events in Las Vegas. The materials include files related to Schafer's work managing the Las Vegas Night Beat and Las Vegas Bugle publications. The collection contains copies of various LGBTQIA+ directories and photographs from events such as the Las Vegas Pride parade and the Gay and Lesbian Community Center of Southern Nevada's annual Honorarium. Also included are photographs and papers from Schafer's involvement with the Imperial Royal Sovereign Court of the Desert Empire, Inc.