The Nevada Consolidated Copper Company Records (approximately 1907-1978) contain the business records of the company, including correspondence, freight bills, ledgers, maps, leaching data, and books relating to mining. The majority of the records post-date the company's name change to Kennecott Mining Company.

The Charles P. and Delphine Squires Papers from 1882 to 1964, with bulk dates from 1905 to 1964, contain book and short story manuscripts, articles, press releases, newspaper clippings, and radio scripts written by Squires and his wife, all relating to their early life in Las Vegas. Also included are report cards, certificates, Parent Teacher Association material, Mesquite Club records and church activity materials.

The K. O. Knudson Photographs (approximately 1920-1969) depict the Las Vegas Grammar School and service, fraternal, and veterans organizations gathered by retired Las Vegas, Nevada school administrator and World War I veteran K. O. Knudson (also known as K. Oscar Knudson). The collection includes images of Knudson, Las Vegas Masonic Lodge members, American Legion members, and school dances. The photographs primarily feature Las Vegas, Nevada.

The Nevada Test Site Oral History Project Records (approximately 1950-2008) consist of oral histories collected by University of Nevada, Las Vegas Department of History for the Nevada Test Site Oral History Project. The collection includes digital audio recordings of interviews, print and digital transcripts, and a small selection of digital video recordings. Some interviews have also been supplemented with photographs, letters, scientific articles, brochures, news clippings and ephemera about the Nevada Test Site.

The Katherine A. Spilde Papers on Native American Gaming include materials collected by anthropologist Katherine Spilde about Native American gaming and the greater gaming industry. The materials date from 1789 to 2015, with the bulk of materials dating from 1995 to 2010. Materials dating from the eighteenth and nineteenth centuries are reproductions of key court opinions and treaties concerning Native American rights and sovereignty. The majority of the materials document Native American gaming following the passage of the 1988 Indian Gaming Regulatory Act (IGRA). The papers detail Native American gaming enterprises both on and off reservations, the socioeconomic impact of gaming, and the legislative history of Native American gaming in the United States. The papers include research and subject files created by Dr. Spilde during her employment with the National Gambling Impact Study Commission (NGISC), the National Indian Gaming Association (NIGA), and the Harvard Project on American Indian Economic Development (HPAIED). The collection includes socioeconomic reports; testimonies; correspondence; memos; press releases; photographs; audiovisual materials; promotional materials from casinos and tourist attractions; brochures; fact sheets; summaries; booklets; pamphlets; advertisements; tourism materials; journal articles; legal briefs; legislative documents; court opinions; Dr. Spilde’s notes; presentations; packets, agenda, schedules, and itineraries from conferences; periodicals; Native American and community newspapers; and newspaper articles. The collection includes materials about over one hundred federally recognized Native American nations. Also included are materials that document the socioeconomic impact of gaming, the international gaming industry, criminal activities related to gaming, advertising about gaming and casinos, lotteries, internet gaming, compulsive gambling, and bankruptcy as a result of gambling.