The Henry Wieking Papers (1932-1935) contain personal recollections, daily journal pages, newspaper clippings, and a Bureau of Land Management (BLM) memorandum.

The Sam Jones Letter consists of a one-page letter written on Friday, May 27, 1938 by an unknown individual to Sam Jones, a miner living in Goodsprings, Nevada. The letter identifies a Harold Hawks from Chloride, Arizona, as a fellow miner interested in viewing Jones's property in Nevada.

The George Kelly Ryan papers (1921-1971) contain correspondence inquiring about Octavius Decatur "O. D." Gass, newspaper clippings from 1929, handwritten recollections of the Gold Ranch by Laura Royce, and a San Pedro, Los Angeles and Salt Lake Railroad Company information, including information on wash-outs in Nevada.

The William G. Morris Papers (1909-1935) contain postcards of Southern Nevada, correspondence, receipts, and a California sales tax schedule.

The Willis B. Smith Collection (1958) on Western Airlines consists of two news releases from Western Airlines about the company's history and two letters to Willis B. Smith. The collection describes the founding of Western Airlines and its early flights from Salt Lake City, Utah to Los Angeles, California. It also contains a color photograph of a Western Air DC-10 airliner in flight.

Charles Lanman Papers (1864-1868) contain the title page of the Dictionary of the United States Congress and the General Government, written by Lanman, solicitation requests for biographical information from notable government figures, and written replies. Of interest with regard to Nevada are the original handwritten letters from James W. Nye and William M. Stewart.

The Basic Magnesium Inc. (BMI) Records and Photographs (1933-1965) document the planning, construction, and management of the BMI magnesium manufacturing plants near present-day Henderson in Clark County, Nevada and a magnesium mining operation in Gabbs, Nye County, Nevada. Materials include chronological reports, press releases, telegrams, budgets, building diagrams, maps, and black-and-white photographic prints. The records document employee housing and infrastructure projects, magnesium production statistics, and employee data. The photographic prints, which include many aerial images, provide a visual record of the construction of the plant, the mining operation, and the associated support facilities and employee housing.