The collection is comprised of records of the San Pedro, Los Angeles & Salt Lake Railroad Company (1901-1976). The construction of this railroad led to the founding of Las Vegas, Nevada and the creation of the Empire Construction Company and Las Vegas Land and Water Company. The records document the company's operations and include correspondence and contracts relating to lots in the Las Vegas townsite, payments and accounts, invoices and other audit materials from 1905 to 1923. The collection also includes the records of the railroad agent at Arden Station, located ten miles south of the Las Vegas Station, which contain correspondence, ledgers, freight and way bills, shipping orders, and telegrams.

The Jean Ford Photograph Collection (1964-1977) contains black-and-white photographic prints, contact sheets, and transparencies of Nevada politician and activist Jean Ford. The collection includes photographs of Jean Ford with the Nevada State Park Commission and various Nevadan politicians; Ford lecturing and campaigning; and of the 1977 National Women's Conference in Houston, Texas.

The Del Webb Corporation Photograph Collection (approximately 1957 to 1988) consists of black-and-white photographic prints, black-and-white oversize reprints, negatives, and color slides focusing on the Mint Hotel and Casino in downtown Las Vegas, Nevada. Images depict the construction of a twenty-six story high-rise addition to the property, its grand opening and anniversary celebrations, the Mint 400 Off-Road race festivities, interior shots of the casino floor, restaurants and lounges, and a salon. Also included are exterior images of properties on Fremont Street considered to be competitors of the Mint, advertisements and billboards, and photographs of Del E. Webb and associates.