Arthur G. Grant Photograph Collection (approximately 1950-1965) consists of 120mm and 35mm color photographic slides taken in the mid-1950s in and around Las Vegas, Nevada. Images depict Arthur G. Grant's home life, the Fortune Club business on Fremont Street, general downtown, Helldorado Parade, and a Mount Charleston picnic. The collection also contains images of Lake Mead boat races including an appearance by Donald Campbell and his water speed world record-setting jet powered boat, Bluebird.

The Emily Higby Powell Photograph Album (approximately 1910-1920) contains black-and-white photographs taken by Emily Higby Powell on a trip from New York to the west coast. The images depict desert landscape throughout the Southwest, including Northern Nevada, as well as images taken on Lake Champlain in Essex, New York.

The Jim Ratigan Collection on Mike Miller (1982-2014) is primarily comprised of materials representing Mike Miller's involvement with creating Hey Reb! the official mascot for the University of Nevada, Las Vegas (UNLV) in 1982. Materials include meeting minutes from UNLV's mascot committee, various renditions of Hey Reb! created by Miller, newspaper clippings, as well as printouts of email correspondence from Miller to Jim Ratigan about the story of how he came to create the mascot. The collection also includes a copy of Miller's book, Larry the Last Leaf and a print of his painting, "Drawn to His Light." Also included are copies of programs for Miller's memorial service.

The Glenn Davis Photograph Collection (approximately 1914-1960) depicts life in Southern Nevada and the American Southwest. The images were created or collected by Las Vegas photographer Glenn Davis and include images of the construction on the Hoover Dam (formerly known as the Boulder Dam), landscapes, gaming, and residents of the region.

The Nevada-Utah Mines and Smelters Corporation Records (1889-1949) are comprised of the financial records of the company's activity regarding the Manhattan mine in Pioche, Lincoln County, Nevada. The collection contains bank records, accounts, and some correspondence, and is generally related to the company's financial activities. It also includes the company's financial vouchers, bills, receipts, and checks.

The Underground House of Las Vegas Collection (1964-2004) consists of newspaper clippings, magazine articles, books, photographic prints, and digital images detailing the construction and history of Girard "Jerry" B. Henderson’s "Underground House," a Las Vegas underground dwelling completed in 1978.

The Mildred Mann Papers (1915-1995) contain documents related to her involvement in teaching ceramics and her work with the Independent Order of Odd Fellows. Included are correspondence, newspaper clippings, magazines, certificates, childhood school materials, manuals, photographs, a scrapbook, and newsletters. There are also Clark County Community College (CCCC) class schedules, real estate papers, and membership lists.