The Blue Diamond Mine Corporate Records (1918-2005) consist of operational and organization records of the gypsum mining and milling operations located in southwest Clark County, Nevada. Materials include operational records related to individual boring sites at the mine; milling operations and statistics; and equipment operations and statistics, including maps, field notebooks, and photographs. There are also daily, weekly, and monthly organizational records related to employee work schedules and safety reports for the mining operations, including accident reports and a safety education training program.

The Wilbur and Toni Clark Papers date from 1944 to 1991, with the bulk from 1953 to 1963 and document the lives of Wilbur and Toni Clark in Las Vegas, Nevada and the development of the Desert Inn Hotel and Casino. The collection includes correspondence from Wilbur Clark to those he identified as important individuals including government officials and celebrities. It also includes materials related to Clark’s plan of building luxury apartments near the Desert Inn, and newspaper clippings and scrapbooks about the Clarks and the Desert Inn. The collection contains some audiovisual materials including Wilbur and Toni Clark's home movies, news footage, and film footage of Las Vegas, Nevada and the Desert Inn.

The Thomas Hickey Political Papers (1964-1996) contain the professional files of Hickey’s career as a Nevada State Assemblyman and Senator. Materials include constituent correspondence, voting records, memoranda, newspaper clippings, bills, and research documentation on topics such as the Yucca Mountain Nuclear Waste Repository, the Equal Rights Amendment (ERA), education, health, prisons, finance, and Nevada infrastructure. The collection highlights Hickey’s role on committees including finance, transportation, government affairs, and ways and means.