The Tonopah Mining Company Records derive from the office of the company’s general manager in Tonopah, Nevada and consist of documents directly generated by its mining and milling operations from 1901 through 1941. The collection includes daily work reports, assay reports and certificates, employee time cards, invoices and receipts for mining equipment and supplies, monthly stores reports, and the company’s numerous insurance policies. Several of the company’s annual reports, including an original typescript copy of the 1907 annual report, are included in the collection. Additionally, select records from the company's subsidiary, Desert Power and Mill Company, as well as the Tonopah and Goldfield Railroad, which include overcharge claims, freight and repair bills, and delivery receipts are included in the collection.

The Eileen Brookman Photographs depict Nevada Assemblywoman Eileen Brookman from 1959 to 1989. The photographs primarily depict Brookman with other Nevada politicians, including U.S. Senators Harry Reid, Alan Bible, Eugene McCarty, and Howard Cannon, and Nevada Governors Paul Laxalt, Mike O’Callaghan, Richard Bryan, and Grant Sawyer. The photographs also depict Brookman at political events with the Nevada National Guard, bill-signing ceremonies, and at events in Las Vegas, Nevada.

This collection is comprised of publicity photographs of Howard Hughes and his aircrafts, from approximately the 1940s to the 1950s, that were compiled by David Rea, former pilot for Hughes Aircraft Company. This collection also includes clippings and technical drawings of Hughes aircrafts.

The Liberty Engine Company No. 1 Records (1876-1927) consist of two accounting ledgers belonging to the Liberty Engine Company No. 1, the fifth volunteer fire company formed in Gold Hill, Nevada in 1868. One ledger is signed by a the wife of J. H. (John H.) Witte, who was listed in an 1880 edition of the Gold Hill Daily News as a member of the Liberty Engine Company No. 1. The collection also contains banking transactions dating from 1926 to 1927 and a handwritten account of various payments made to the heirs of a Mrs. S. K. Witte in 1906. Some items in this collection are digital surrogates.

The North Las Vegas Bicentennial Committee Photographs and Drawings of Kiel Ranch document the buildings on Kiel (Kyle) Ranch in 1974. As part of the commemoration of the United States bicentennial, the North Las Vegas City Council elected to restore Kiel Ranch, which was one of the first non-indigenous settlements in the Las Vegas Valley. The materials include black-and-white photographs of Kiel Ranch as it was in 1974 as well as architectural drawings of planned renovations to the main house, the Brown House, the foreman's house, and the ranch hands' house.