The Ray Cutright Collection of Winthrop A. Davis Photographs (approximately 1929-1939) consists of black-and-white photographic prints with some corresponding negatives and slides of the construction of Hoover Dam and the geographic terrain of southern Nevada during the early 1930s. Included are photographs of the geographic area around the dam site, Black Canyon, and Boulder City, Nevada. Photographs depict the construction of facilities and roads needed for the project.

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 Cliff Trenier Papers (approximately 1950-1999) document the life and career of Clifton "Cliff" Trenier, who performed with various siblings across the United States beginning in the 1940s. The collection contains photographs of Cliff with his twin brother Claude performing, documents and newspaper clippings relating to the musical group's tours and their numerous performances in Las Vegas, Nevada including at the Moulin Rouge. Also included in the collection are photographs of Cliff's wife, Bedez, and correspondence between the couple up until Cliff's illness and death in 1983.

The Jay Sarno Photograph Collection (1947-1983) contains photographs from hotel and casino developer Jay Sarno. The photographs primarily depict Sarno and his family. The photographs also depict some of Sarno's development projects, including Circus Circus, Caesars Palace, and the Grandissimo. The photographs depict construction of the hotels, events, and famous figures.

The Thomas Rodriguez Professional Papers (1974-2020) document Rodriguez's years of work and achievements in the political, educational, and social advancement of the Latinx community in Southern Nevada. The collection contains research files on the Latinx community of Las Vegas, Nevada, newspaper articles and manuscripts written by Rodriguez, and materials from his many years of involvement and work with local organizations including the Latin Chamber of Commerce, League of United Latin American Citizens (LULAC), the Hispanic Educators Association of Nevada, and the Latino Youth Leadership Conference. Materials include conference proceedings, symposium and event programs, as well as newspaper articles, correspondence, and administrative files gathered by Rodriguez over the years of researching and working within the community.

The UNLV History 117: Nevada History Photograph Collection contains photographic prints, negatives, and slides of Las Vegas and Boulder City, Nevada between approximately 1900 and 1959. These images were collected by students for University of Nevada, Las Vegas (UNLV) professor Ralph Roske’s class, History 117: Nevada History. The images primarily depict Las Vegas in the 1950s with people posing in front of and inside the El Rancho Vegas and the Last Frontier Village, including Eleanor Roosevelt, Joe E. Lewis, and Paul Newman. Earlier photographs from the 1920s include businesses, such as fireproofing stores, and significant individuals such as Ed W. Clark. Lastly, it contains two photographs of the Boulder City Airport.