The Dorothy Keeler Papers (1811-1977) document early Las Vegas history, the life and career of former United States Mint director Eva Adams, and contain images of the Western United States and Southern Nevada in the 1930s. The collection contains clippings on the history of Las Vegas and early Las Vegas weddings as well as photographs documenting the Keelers' travels throughout the Western United States and the construction and dedication of Hoover Dam.

The Blue Diamond Mine Photograph Collection depicts operations at the Blue Diamond Mine from approximately 1950 to 1971. The photographs include images of heavy machinery, mining structures, and workers. The photographs also contain aerial views of Blue Diamond Mine and the surrounding landscape.

The Alan Cummings Research Files (1974-2004) are comprised of research files compiled by Cummings, an elementary school teacher for the Clark County School District (CCSD) in Southern Nevada. The files represent Cummings's work to persuade the Teacher's Health Trust, the employee benefit plan for the school district, to consider domestic partnership benefits for CCSD educators and administrators. Materials include personal correspondence, newspaper clippings, magazines, and court cases.