The Southern Nevada Historical Society Records document the management and development of the Southern Nevada Historical Society (SNHS) as well as various historical projects in Las Vegas and Southern Nevada that the society sponsored from 1948 to 1983. The records include SNHS correspondence (1951-1978), meeting minutes (1958-1983), and accounting information (1959-1980). It also contains copies of the SNHS Backtrails Newsletter, promotional material for events, membership lists, and research materials for various projects related to the history of southern Nevada and Las Vegas.

The Geological Society of America, Cordilleran Section Records contain materials from the annual April meeting in 1974 and a paper about lateral faulting in Southern Nevada written by Chester R. Longwell.

Red Rock Audubon Society Records (1981-1996) contain correspondence, field trip notifications, newspaper clippings, fliers, and copies of the Society's newsletter, The Rock Wren.

The Central Nevada Historical Society Photograph Collection (1880-1982) contains photographs from central Nevada towns, mines, and railroads. The photographs primarily depict events and mining operations from the early-twentieth century in or around Tonopah, Goldfield, Belmont, Manhattan, Montezuma, and Big Smoky Valley. The photographs also depict the Tonopah & Goldfield Railroad, the Las Vegas & Tonopah Railroad, the "Priscilla" nuclear bomb test at the Nevada Test Site, horse-drawn freight carriages, and building construction. Other towns also featured in the collection include Silver Peak, Bullfrog, Rawhide, Ellendale, Columbus, Berlin, Palmetto, Gilbert, Blair, Klondyke, Wahmonie, Diamondfield, Miller's, and Candelaria.