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.