Papers are comprised of photographs, newspaper clippings, and correspondence dating from the 1950s to the 1980s collected by Steven Hart, son of the Las Vegas, Nevada chef, Nat Hart. The papers include information about Steven Hart's childhood and his service in Vietnam. Also included in the collection are photos of Steven Hart's father, Nat Hart.

The Gilbert Buck Papers (1930-1986) focus on Buck's work as a surveyor and real estate broker in southern and central Nevada. Included are master reports, designs, standards, flood and drainage reports, and land specifications on water, sewer, and public lands. Papers regarding real estate include reports, housing and mobile home development plans, newsletters, surveys, and Buck Realty negotiations. There are books and information on seminars Gilbert Buck hosted in Las Vegas, Nevada on investing in raw land. Also included are awards, correspondence, newsletters, a scrapbook of Buck's early life, and information on his campaign for governor of the state of Nevada in 1974. There is include some documentation of Buck's real estate and mining interests in South America.

The Corbin Harney Nevada Test Site Protest Photograph Albums (1995-1997) are comprised of three photograph albums documenting the life and spiritual, environmental, and political activism work of Corbin Harney, elder and spiritual leader of the Newe ("the People") Western Shoshoni Indians. The majority of the photographs are focused on the anti-nuclear protest demonstrations by the Shundahai Network at the Nevada Test Site during the 1990s.