The Chip Johnson Collection of Hoover Dam Photographs (approximately 1930-1936) consist of sixteen black-and-white photographs that depict the construction of Hoover Dam and the surrounding area. The photographs were taken by an unknown photographer.

The Kenneth Reim Photographs of Las Vegas, Nevada (1951-1954) consist of seven mounted color 35mm slides that Reim took while living in Las Vegas, Nevada. Images depict the Sands and Sahara hotels, Klein's Market located at Charleston and Main Street, Hoover Dam, a library, Fremont street, and the Las Vegas Park Speedway.

A. J. Shaver Papers (1925-1964) include hearings, reports, Senate bills, bulletins, and surveys regarding the Boulder Canyon Project/Colorado River Development. There are also papers about Marienne Shaver's involvement in the Las Vegas High School Parent Teacher's Association (PTA) and the Girl Scouts of America (GSA), including minutes, correspondence, notes, and brochures.

The Leonard Blood Papers (1888-1962) consist photographs and personal documents from his work in the United States Navy, Las Vegas Labor Commission, and on the Boulder (Hoover) Dam in Nevada. The bulk of the papers date between 1930 to 1950. Included are correspondence, telegrams, newspaper clippings, a scrapbook, family photographs, and various ephemera.