The Grace Hayes Photograph Collection consists of black-and-white photographic prints and negatives from approximately 1890 to 1980. The collection includes personal photographs of Hayes and her son Peter Lind Hayes and publicity photographs from Hayes's entertainment career.
The Hank Castro Music Business Records document Hank Castro's career in the music industry in Las Vegas, Nevada from 1969 to 1990. The bulk of the collection consists of original audio recordings from the Las Vegas Recording Studio. The collection also contains legal documents, personal correspondence, and promotional material related to the Las Vegas Recording Studio (1971-1985), songwriter agreements, and sheet music (the majority of the lyrics written by Hank Castro) from artists represented by the Las Vegas Recording Studio and Castro's other companies.
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.