The Franklin M. Murphy Photograph Collection, dates from approximately 1929-1933 and consists of black-and-white photographic prints with 27 corresponding negatives. The majority of the images show locations in and around the current site of Hoover Dam and Lake Mead in southern Nevada and Arizona with a focus on the geology of the area; a smaller number show individuals and locations in Las Vegas, Nevada.

The Irma McGonagill Photograph Collection (1870-1925) consists of thirty black-and-white photographic prints, ten postcards, and fourteen photographic negatives showing Irma McGonagill and her family in Tonopah, Nevada during the mining boom. The images depict the town of Tonopah, mines around the Tonopah area, homes in Tonopah, and the McGonagill family.

The Geneva Stark Merwin Photograph Collection features photographic prints and negatives of locations throughout Pahrump, Nevada between 1941 and 1942. Primary locations include a Pahrump school and Pahrump Ranch, as well as locations in local fields and mountains. The photographs capture candid scenes of people walking to school and feeding animals.

The Jeanne Russell Janish Photograph Collection (1918-1974) consists of 48 black-and-white and color photographic prints that feature Janish's family, her husband Carl Janish, family homes and pets, and travel photographs from the United States, China, and South America.

The Morgan Sweeney Photograph Collection (approximately 1922-1969) consists of black-and-white photographic prints of Boulder City, Nevada, and Lake Mead and Hoover Dam areas, located on the border between Arizona and Nevada. The images depict the interior, exterior, and construction stages of Hoover Dam (Boulder Dam). There is also an aerial photograph of Boulder City, Nevada.

The Stella Champo Iaconis Photograph Collection (approximately 1890-1950) contains four black-and-white photographic prints of the Helldorado Days celebration held in Las Vegas, Nevada and three photograph albums with family photographs. Included in the albums are images of Italian family members, and Stella and her sister Irene as young children on their family ranch in Southern Nevada in the 1920s and 1930s. The Champo family and other Las Vegas residents are prominently featured in photographs taken across Las Vegas, including at the Boulder Dam (Hoover Dam) dedication, the family's farm, and outside residences near downtown Las Vegas. The third album covers Stella Champo's personal life, with photographs of her first husband, Walter Cordano (married 1934-1942) and her second husband, John Iaconis. Included are trips to Los Angeles, California; Pioche, Ruth, and Goldfield, Nevada; and early downtown Las Vegas, including the Union Pacific Station. A partial inventory is available for the third album.