The Chester Longwell Photograph Collection consists of 608 black-and-white photographic prints dating from approximately 1910 to 1930. The images primarily depict the Longwell family's excursions in the Southern Nevada region, primarily to Mount Charleston, Nevada. Also included are images of Southern Nevada mines and mining towns, as well as Pubelo Grande de Nevada, the Lost City. The remaining images depict geological formations and features, as well as forestry and nature scenes in Nevada and Arizona.

The Franklin M. Murphy Geological Papers (1919-1956) contain surveys, lectures, reports, correspondence, newspaper clippings, bulletins, maps, and dam site investigations from six different states in the American west. Also included are mining projects, photographs, scrapbooks, albums, school papers, and Murphy's thesis.

The Elbert Edwards Photograph Collection contains photographs of Nevada from 1852 to 1991. The collection has a wide variety of photographs, including: white pioneers and settlers; early Nevada towns; Nevada politicians; early Las Vegas landmarks; Boulder City schools; petroglyphs from Nevada's indigenous populations; Lost City and Lake Mead; railroads; the Hoover Dam (Boulder Dam); Basic Magnesium Inc. in Henderson, Nevada; geographical features; the Edwards family; and photographs of Elbert Edwards's participation in the Las Vegas Education Association and the Rotary Club.

The William J. Moore Jr. papers (1925-1974) consist of mining publications, maps of mine locations, production reports, agreements, sales contracts of various ores, property claims, and correspondence. Also included are housing plans, maps, agreements, and financial papers for Westchester Gardens housing tract in Las Vegas, Nevada, estimates and analysis for a 500 room Las Vegas resort hotel.

The George Knox Roth Collection (1959-1980) consists of newspaper clippings (including photocopies), magazine articles, newsletters, technical reports and publications, correspondence, notes, and photographs relating to the Atomic Energy Commission, the environmental impact of nuclear testing in Nevada, Nevada mining, Airwest and the Hughes Airport, and other aspects of Howard Hughes’ Nevada operations. The George Knox Roth Collection also includes correspondence and expense reports related to his own company, General Research Consultants.

The Tonopah-Goldfield Mining Photograph Collection depicts mining activities in the mining towns of Tonopah and Goldfield in Esmeralda County, Nevada from approximately 1901 to 1920. The photographs primarily depict mines, miners, mills, construction, ore, and workers transporting ore. The photographs also depict events and people in Tonopah and Goldfield, including parades, celebrations, banquets, children, Native Americans, and prominent buildings.