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.

The collection, dated 1941-1947, consists of loose-leaf notes from the daily journal of Arlin Rex Johnson (1898-1970), Budget and Planning Officer at the Coordinator of Information (COI) office in Washington, D.C. from September 2, 1941 to December 23, 1941, and a list of foreign visitors during his tenure as Assistant Director of Foreign Agricultural Relations at the United States Department of Agriculture from 1945-1947.

Collection consists of a commemorative stamp saluting horse racing, first day of issue fact sheet, and a copy of Stamp News (3/18/74) featuring a story on the horse racing stamp.

Collection consists of envelopes with the Silver Centennial commemorative postage stamp (canceled) with the "Virginia City, Nevada Silver Centennial 1859-1959" die hub with postmarks of ten Nevada cities including Las Vegas. There is also a first day of issue decorative envelope.

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