The Tonopah and Tidewater Railroad Records (1905-1977) contain correspondence, purchase requisitions, bills of lading, freight reports, and waybills. Also included are a ledger book, a rubber stamp, and a booklet, "Diagrams of Locomotives and Tenders." Incorporated in 1904, the Tonopah and Tidewater Railroad operated for 35 years, connecting Ludlow, California with Beatty, Nevada by way of Death Valley on the Santa Fe Railroad main line. The records are concentrated on the later years of the railroad from 1930 to 1940.

The Merle Frehner Map of St. Thomas, Nevada (1981) consists of a hand-drawn map by Frehner of St. Thomas, Nevada who lived there from 1914 to 1932. The town was abandoned in 1933 due to the construction of Hoover Dam and is now beneath the waters of Lake Mead. Also included are instructions to the Geography 135 class at University of Nevada, Las Vegas to reproduce the map, which became a student project.

The Marshall L. Wright Collection on the Riviera Hotel (1944-1956) consists of a disassembled scrapbook, a small amount of newspaper clippings, and correspondence from Marshall L. Wright. He served as the general manager of the Riviera Hotel in Las Vegas, Nevada beginning in 1954 and remained in the role through the hotel’s opening on April 20, 1955. By late 1955, he moved to a similar role at the Flamingo Las Vegas. Materials document the opening of the Riviera including black-and-white photographs of the construction of the hotel, press kits, brochures, and other promotional material. The collection includes a small amount of promotional material from the Flamingo.

The Young Audiences New York, Nevada Humanities Collection dates from 1960 to 1982 and chronicles the chapter’s efforts to bring music education to students from kindergarden through high school of the Clark County School District in Nevada. The collection contains accounting records, performance reviews, grant applications, correspondence, and employee information. The collection also contains performance announcements, newspaper clippings, and students’ thank-you letters.

The James H. Down Sr. Scrapbooks (1933-1979) contain newspaper clippings and political advertisements about his political and civic involvement in Las Vegas, Nevada.