The United States National Park Service Photograph Collection is comprised of black-and-white photographic prints and negatives from approximately 1925 to 1950. Images include construction and remediation projects in Boulder City, Nevada; including Hoover Dam, Lake Mead, and the surrounding recreation area. Also included are images of the Lost City Museum in Overton, Nevada and Fort Churchill in Lyon County, Nevada; construction of tourist facilities at the Valley of Fire in southern Nevada; and landscapes taken along the Colorado River in Arizona and Utah.

Oral history interview with Ernest O. Crawford conducted by Michael Crawford on October 26, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. Ernest discusses Stewart Ranch, Kyle Ranch, Boulder (Hoover) Dam, Fremont Street, and the changes that Southern Nevada had during the construction of the dam.

Oral history interview with Jinx Cochrell conducted by Delroy Shigematsu on March 20, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. Cochrell discusses the United States Navy, airports, Howard Hughes, the entertainment industry, Mount Charleston, Boulder (Hoover) Dam, her career as a secretary at the University of Nevada, Las Vegas, and the mob.

The Frank D. Rathbun Photograph Collection dates from approximately 1915 to 1968 and consists primarily of black-and-white photographic prints and some corresponding negatives taken by Frank D. Rathbun and Michael Moen, who resurveyed the various sites Rathbun visited. The majority of the images depict petroglyphs located throughout the desert southwest in Nevada, California, and Arizona, as well as documentary images of the construction of the Los Angeles Aqueduct and the Hoover Dam transmission lines. Additional material includes postcards from areas Rathbun visited in California, Arizona, and Nevada.

Oral history interview with Joyce Shugart conducted by Geri E. Guillot on March 09, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Shugart discusses her arrival to Las Vegas, Nevada in 1945. Shugart then recalls Boulder (Hoover) Dam, the Las Vegas climate, and her educational experiences at the University of Nevada, Las Vegas. Shugart later discusses entertainment in Las Vegas and recreational activities around the city.

Oral history interview with Richard L. Francis conducted by Connie Degernes on March 4, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview Richard Francis discusses the construction of the Hoover Dam and his various occupations he has held since relocating to Nevada.

Oral history interview with Marjory Gusewelle Phillips conducted by Jodie C. Tenuta on May 11, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Phillips discusses growing up in Las Vegas, Nevada and describes various recreational activities throughout the city. Phillips then discusses the significance of the Helldorado Parade to locals and how the parade brought the community together. Phillips later recalls watching the Boulder (Hoover) Dam being constructed and the events around the opening of the dam.