The Burrell C. Lawton Photograph Collection on the Hoover Dam depicts the construction of the Hoover (Boulder) Dam on the Colorado River near Las Vegas, Nevada from 1931 to 1934. The photographs primarily depict workers, construction equipment, and the progression of the dam's concrete structures. The photographs also depict construction of diversion tunnels, bridges, the gravel plant, the intake towers, and the concrete mixing plant.

The Murl Emery Photograph Collection consists of seventeen black-and-white photographic reprints of ferries and recreational activities near Searchlight, Nevada on the Colorado River taken from approximately 1910 to 1946, and reprinted from approximately 1970 to 2004.

The Elbert Edwards Photograph Collection contains photographs of Nevada from 1852 to 1991. The collection has a wide variety of photographs, including: white pioneers and settlers; early Nevada towns; Nevada politicians; early Las Vegas landmarks; Boulder City schools; petroglyphs from Nevada's indigenous populations; Lost City and Lake Mead; railroads; the Hoover Dam (Boulder Dam); Basic Magnesium Inc. in Henderson, Nevada; geographical features; the Edwards family; and photographs of Elbert Edwards's participation in the Las Vegas Education Association and the Rotary Club.

The Anita Freeman Photograph Collection on Southern Nevada (1937-1972) primarily contains black-and-white negatives depicting locations in Southern Nevada, including the Hoover Dam, Lake Mead, and Mount Charleston. The collection also includes black-and-white negatives of the Helldorado Parade held in Las Vegas, Nevada, as well as landscapes in Arizona, such as the Grand Canyon.

The Six Companies, Inc. Hoover Dam Photograph Collection (1931-1935), consists of approximately 400 black-and-white photographic prints contained in two photograph albums and an additional twenty-one loose black-and-white photographic prints with ten corresponding photographic negatives.

The Ferron and Bracken Photograph Collection depicts Southern and Central Nevada and other western states from 1890 to 1961. The photographs primarily depict the development and growth of early Las Vegas, Nevada; mines and mining operations in Southern and Central Nevada; towns and mines in Nevada; and the Hoover (Boulder) Dam and the Colorado River.

The Lake-Eglington Family Photograph Collection contains photographs of the Lake-Eglington Family in and around Las Vegas, Nevada from 1900 to 1976. The materials include photographs of early Las Vegas resident Olive Lake-Eglington and her family shortly after they moved to Las Vegas in 1904, as well as her eventual husband Earle Eglington after he moved to Las Vegas in 1911. The materials also include photographs of Native American artifacts, schools in Clark County, Nevada, artesian wells, the Hoover (Boulder) Dam, the Colorado River, Mt. Charleston, the Mormon Fort, the Stewart (Kiel) Ranch, the Las Vegas Ranch, and many early residents of Las Vegas.