The Frederickson Family Papers (1904-1917) contain documents and photographs related to Goodsprings, Nevada settlers John C. and Elizabeth Frederickson. Materials include bank statements, mining statements, personal correspondence, and college notes.

The Blue Diamond Mine Corporate Records (1918-2005) consist of operational and organization records of the gypsum mining and milling operations located in southwest Clark County, Nevada. Materials include operational records related to individual boring sites at the mine; milling operations and statistics; and equipment operations and statistics, including maps, field notebooks, and photographs. There are also daily, weekly, and monthly organizational records related to employee work schedules and safety reports for the mining operations, including accident reports and a safety education training program.

The David Donovan Collection on Hydrology and Geology (1911-2011) is comprised of the research collected by former Las Vegas Valley Water District employee, David Donovan, about groundwater, hydrology, minerals, and geology in Nevada, as well as the surrounding areas of California, Arizona, and Utah. Included are reports, professional papers, maps, and books.

The Ferron and Bracken Photograph Collection depicts Southern and Central Nevada and other western states from 1890 to 1961. The photographs primarily depict the development and growth of early Las Vegas, Nevada; mines and mining operations in Southern and Central Nevada; towns and mines in Nevada; and the Hoover (Boulder) Dam and the Colorado River.

The Fred and Maurine Wilson Photograph Collection depicts the Wilson Family, events, and locations in Las Vegas, Nevada and the Southwestern United States from approximately 1860 to 1990. The photographs primarily depict early Las Vegas, including the Mormon Fort and Kiel Ranch; mines, towns, and railroads in Southern Nevada; the construction and planning of the Hoover (Boulder) Dam on the Colorado River; and the Wilson Family. The photographs also include prominent Las Vegas families such as the Park Family, aerial photographs of the city, landmarks on Fremont Street and downtown Las Vegas, and desert landscapes.

The Mary Griffith Toleno Photograph Collection contains photographs of Nevada from approximately 1875 to 1964. The materials include photographs of Fort Churchill, the Virginia and Truckee Railroad, the New York Mine in Silver City, Virginia City, buildings in Lovelock, Nevada, and locations in Carson City, Nevada and Reno, Nevada. The materials also include photographs of the Griffith family and friends.

The Merle and Beulah Frehner Photograph Collection contains photographs of Southern Nevada from 1905 to 1955. The materials include photographs of the Frehner freight teams transporting ore, schools and students in the Moapa Valley, the Colorado River, and parades in Southern Nevada.