The James H. Down Jr. Photograph Collection (approximately 1915-1940) consists of black-and-white photographic prints and negatives, as well as color photographic slides and postcards. The images depict scenes in and around Las Vegas and Goodsprings, Nevada. Also included are Glenn Davis' photographs of the Hoover Dam (Boulder Dam), Black Canyon, the Colorado River, and Lake Mead. Most of the images portray the construction phases of the Hoover Dam.

The Ward Lindquist Photograph Collection on Lake Mead (approximately 1945-1956) contains black-and-white photographic prints and negatives primarily from Hoover Dam and Lake Mead, both located in both Arizona and Nevada. The images depict recreational activities at Lake Mead, namely fishing, swimming, boating, and camping. The remaining images depict the exterior and interior of Hoover Dam, as well as nature and wildlife in southern Nevada.

The KLVX Steamboats on the Colorado Photograph Collection contains photographic prints and negatives used by the Las Vegas, Nevada television station KLVX (Channel 10) for a documentary on steamboats in the Southwest United States between approximately 1870 and 1979. KLVX made this documentary for the Arizona American Revolution Bicentennial Commission and the Nevada American Revolution Bicentennial Commission, who jointly funded the documentary’s production. Some of these photographs may be reproductions of originals gathered during the research for the documentary.

The UNLV Libraries Single Item Accession Photograph Collection (approximately 1869-1999) contains photographs, postcards, negatives, and slides primarily pertaining to Southern Nevada, with a focus on Las Vegas, Nevada, collected by the University of Nevada, Las Vegas University Libraries, Special Collections and Archives. The collection primarily includes images of early Las Vegas, hotels and casinos along Fremont Street and the Strip, railroad infrastructure, local businesses, and residential neighborhoods. Also included are images of Hoover (Boulder) Dam's construction, MX Missile testing, Nevada mining camps, and the natural desert environment. Other images depict towns throughout Nevada including Boulder City, Henderson, Reno, Luning, Tonopah, Goodsprings, Delmar, Beatty, Panaca, Overton, Caliente, Logandale, and Aurora.

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 Ernest Mitchell Pratt Photographs (approximately 1932-1936) consist of black-and-white photographic prints, signed and unsigned, taken by Pratt while Hoover Dam was under construction. Many prints are signed and mounted, and two are noted as award-winning photographs shown at the Annual International Salon of Camera Pictorialists in Los Angeles, California. There are additional working prints included alongside the final prints for most of the scenes. Also included in the collection is one small photograph of Pratt. This collection was formerly known as the Price Photograph Collection.

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.