The River Mountains Trail Partnership Records date from 1995 to 2015 and document the planning and construction of the River Mountains Loop Trail in Clark County, Nevada. The collection contains meeting agendas and minutes, correspondence, project notes, trail maps, land surveys, grant applications, photographic slides of the trail and Lake Mead, environmental assessments, ephemera from National Trails Day, trail guides, interpretive plans, and development reports.

The Karl Carsony Papers (1918-2011) are comprised of photographs, newspaper clippings, ephemera, and artifacts representing Karl (Schrom) Carsony's acrobatic career and personal life. The bulk of the materials in this collection date from approximately the early 1950s through the late 1970s. The materials also include vacation photographs of Karl (Schrom) Carsony and his wife, Margot Meyers. The materials also include promotional photographs, posters, and fliers for the Carsony Brothers, which was an acrobatic show consisting of Karl Carsony and his twin brothers, Joe and Bert Schrom.

The Myram Borders Papers (1965-1998) contain articles written by Borders, newspaper clippings, court transcripts, photographs, slides, agendas, meeting minutes, and a copy of the joint operating agreement between the Las Vegas Review Journal and the Las Vegas Sun. Also included are media kits for the Desert Inn Hotel and Casino and the Stealth Fighter Public Debut, an annual report to Sheriff John Moran concerning organized crime, and a copy of the MGM fire litigation.

The Vern Lanegrasse Papers (1961-2010) consist of materials from the Brotherhood of the Knights of the Vine and the California Restaurant Writers Association as well as event programs, menus, and other materials related to food and wine.