The Murphy-Farmer collection contains black-and-white photographic prints (approximately 1930-1959) depicting locations around southern Nevada, including Lake Mead, Hoover Dam, Las Vegas, and Boulder City, Nevada.

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.

The Frank C. "Doc" Jensen Photograph Collection (approximately 1920-2005) is comprised of one black-and-white photographic reprint and copy negative of Frank Jensen standing near the partially-constructed Hoover Dam (Boulder Dam) and a photographic negative depicting Jensen in a naval dress uniform standing in front of a wall that indicates height.

The Barbara and John Kizziar Photograph Collection primarily contains black-and-white photographic prints and negatives of Hoover Dam (Boulder Dam) construction during John Kizziar’s time working for Six Companies Inc. between approximately 1986 and 1992. These images are reproductions of originals taken from between approximately 1930 and 1945. They detail John Kizziar’s work life during the dam’s construction, as well as events and scenes associated with the dam. Other images portray billboards and streets in Boulder City, Nevada. The collection also depicts other locations in Nevada, including Las Vegas, Mount Charleston, Black Canyon, the northern Mojave Desert, and the Colorado River ferry crossing between Nevada and Arizona.

The Alan Bible Photograph Collection contains color photographic prints of the Hoover Dam; an aerial of the Colorado River; an Atomic Energy Commission drill rig in Central Nevada; and views of a Nuclear Rocket Development Station (NRDS) facility at the Nevada Test Site between approximately 1970 to 1974. These photographs are captioned and were originally framed and hung in Alan Bible's United States Senate office.

The John Nichols Photograph Collection (approximately 1930-1950) is comprised of black-and-white photographic prints depicting the western region of the United States including Southern Nevada, the Hoover Dam (then known as Boulder Dam), Lake Mead, and various desert landscapes. Photographs were collected by former Las Vegas and Boulder City, Nevada resident, John Nichols, who is a longtime art collector and gallery owner based in California. The collection includes some photographs taken by American photographer Glenn Davis who was known for photographing the Las Vegas Valley and the construction of the Hoover Dam.

Oral history interview with Fern and Witt C. Olive conducted by Terry Rogers in 1977 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Fern and Witt Olive discuss moving to Las Vegas, Nevada in 1922 and 1926 respectively. Witt talks about the construction of the Boulder (Hoover) Dam, his experience in the Boy Scouts of America, and the growth of Las Vegas. Fern primarily provides confirmation for Witt's reminisces.