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 Mallory H. Ferrell Photograph Collection (approximately 1900-1935) is comprised of nine black-and-white photographic prints depicting railroads, locomotives, and mines in Tonopah, Nevada and Tecopa, California.

The Squires Family Photographs document the Squires Family and the development of the Las Vegas Valley in Nevada from approximately 1860 to 1980, with a bulk of the photographs depicting people and events from 1900 to 1950. The photographs depict the Euro-American settlement and growth of Las Vegas, Nevada; traveling and exploration of Southern Nevada and the Southwestern United States; the Hoover (Boulder) Dam and the Colorado River; clubs and social groups; and the Squires Family, especially prominent newspaper editor and publisher Charles Pember (C. P. or “Pop”) Squires, Delphine “Mom” Anderson Squires, and their children.

The Lincoln County Museum Photograph Collection contains photographs of towns, railroads, and mining operations in Lincoln County, Nevada from 1870 to 1953. The photographs primarily depict mines and railroads in Pioche, Caliente, Bullionville, and Panaca from 1900 to 1908 during part of Nevada’s mining boom. The photographs also depict Paiute workers, horse freight teams, geographical landmarks, and students in Lincoln County.