The Florence Lee Jones Cahlan Photographs depict locations and events in Las Vegas, Nevada from 1909 to 1980. The photographs primarily depict historical locations, including the Las Vegas Mormon Fort, the Kiel Ranch, and plaques commemorating Las Vegas’s 75th anniversary. The photographs also depict celebrations, including the Diamond Jubilee festivities held to celebrate Las Vegas’s 75th anniversary, plaque dedications, building dedications, and the 50th anniversary of the arrival of the first mail planes in Las Vegas. The photographs include the Kennecott Copper Corporation’s facilities in McGill, Nevada, Western Airlines planes and pilots, and Union Pacific Railroad locomotives.

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 Kiel Ranch Preservation Committee Records (1973-2005) document the activities of the North Las Vegas Bicentennial Committee (1973-1976) and its successor, the Advisory Board for Kiel Ranch (1978-1995), in their efforts to restore Kiel Ranch, one of the earliest non-indigenous settlement sites in the Las Vegas, Nevada area. The collection contains various official reports on Kiel Ranch, proposals on how to restore Kiel Ranch, chronological files for each year of the project, and newspaper clippings on the status of Kiel Ranch.

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 Nan Doughty Photograph Collection (1870-1987) consists of approximately 960 black-and-white and color photographic prints, black-and-white photographic negatives, and black-and-white and color photographic slides, taken by Nanelia Doughty, family members, and friends.

The UNLV Libraries Collection of Boyd Gaming Promotional Materials and Reports includes annual reports, clippings, financial reports, a press kit, press releases, and promotional materials for Boyd Gaming Corporation in Las Vegas, Nevada, dating from 1986-2009.