The Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada depict the construction of the Hoover (Boulder) Dam and the development of Boulder City, Nevada from 1869 to 1974, with a bulk of the materials dating from 1929 to 1940. The photographs primarily depict the construction operations in Black Canyon, including digging tunnels, pouring concrete, building the power plant, and inspections by Bureau of Reclamation engineers. The photographs also depict Boulder City, including schools, workers, and dormitories. The collection also includes photographs of St. Thomas, Nevada, Lake Mead, Nelson’s Landing, Nevada, and an archaeological excavation near Lake Mohave, Nevada.

The University of Nevada, Las Vegas (UNLV) Office of the President Records is comprised of documents used in daily matters of the Office of the President from approximately 1950 to 2007. The records in the collection document the expansion of the UNLV campus, and the academic and athletics programs offered by the university.

The Archie C. Grant Photograph Collection (1914-1968) contains black-and-white photographs of Nevada politician Archie C. Grant. The materials include photographs of Grant with the Las Vegas Housing Authority at groundbreaking ceremonies, the University of Nevada Board of Regents, and with other Nevada politicians. Materials also contain early photographs of the University of Nevada, Las Vegas campus, including the dedication of Maude Frazier Hall.

The Chester Longwell Photograph Collection consists of 608 black-and-white photographic prints dating from approximately 1910 to 1930. The images primarily depict the Longwell family's excursions in the Southern Nevada region, primarily to Mount Charleston, Nevada. Also included are images of Southern Nevada mines and mining towns, as well as Pubelo Grande de Nevada, the Lost City. The remaining images depict geological formations and features, as well as forestry and nature scenes in Nevada and Arizona.

The Benedict Family Papers materials date from roughly 1905-1998 and are comprised of correspondence and letters (1969-1971) written to Howard Hughes by the public. The collection also contains correspondence written to Robert Maheu, former chief executive of Nevada operations for Howard Hughes. The collection also includes a variety of casino and gambling related product catalogs, gaming guides for Las Vegas casinos, and of research papers and reports primarily relating to sports betting and cheating.

The Tobias Mattstedt Menu Collection (approximately 1990-2009) is comprised of menus documenting the restaurant industry in Las Vegas, Nevada, the United States, and internationally. The menus include restaurants located in Las Vegas casinos, most notably the MGM Grand, located in Las Vegas. Included in the MGM Grand menus are restaurants such as the Pearl, Tabu Ultra Lounge, and the Grand Wok and Sushi Bar. The collection also documents menus collected by Mattstedt that are not affiliated with the MGM Corporation. These include menus located in the United States, especially Hawaii, including menus from the restaurants Olio!, Nob Hill, Diego's, and Sea Blue. The collection also includes international menus with a focus on Asian countries. The material provides insight into menu design, food culture, and the Las Vegas service industry.

The Yucca Mountain Environmental Safety Collection (1970-2011) consists of reports and impact studies collected by Clark County's Nuclear Waste Division library for documenting Yucca Mountain's potential health and safety risks to Southern Nevada. The reports contain documents pertaining to potential environmental, health, financial, and safety risks from the Yucca Mountain Nuclear Waste Repository, which is located in Nye County, Nevada. The collection contains scientific and social studies in support of and opposition to the site. The bulk of the collection includes licensing reports, site selection studies, and impact studies from transporting, storing, and handling radioactive waste and spent nuclear fuel.