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 Wilson Family Papers (1875-1918) document the personal and professional lives of James B. Wilson Sr., James B. Wilson Jr., and George Twison "Tweed" Wilson, early pioneers in Southern Nevada. The collection is comprised of personal correspondence, invoices and advertisements from the Wilson family business, the Sandstone Ranch, and photographs of the extended Wilson family.

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 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.

The Stella Champo Iaconis Papers consist of a certificate for proficiency in Rapid Legible Business Writing from the Palmer Method of Business Writing given on May 11, 1927; a certificate of promotion to high school in Clark County, Nevada dated May 25, 1927; and an autograph book signed by classmates at Las Vegas High School in Las Vegas, Nevada in 1928.

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

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 Ken "Nevada" Maines Papers (approximately 1960-1980) contains items written by Maines, including sheet music for his songs "Fremont Street," "My Name Is Love," and "My Little Polish Rose," a poem, and a flier "Hints for Handicappers." There is a printout of an article on Maines that appeared in the Las Vegas Sun. The collection also contains various sound recordings, some of which Maines composed.

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