The Harmon Family Photograph Collection contains black-and-white and color photographic prints, negatives, postcards, and slides of the Harmon family in Las Vegas and Boulder City, Nevada between approximately 1900 and 1983. Las Vegas photographs depict the Harmon family in their home, at a ranch, and at Las Vegas High School. Boulder City photographs include a wedding and a view of Black Canyon, Nevada. Lastly, the collection also includes photographs of the Harmon family with various people, including the Wengert family and Howard Cannon, at receptions, ceremonies, and posing in front of Las Vegas buildings.

The Georgia Lewis Photograph Collection contains black-and-white photographic prints and negatives primarily depicting Kyle Ranch, also known as Boulderado Ranch and Taylor Ranch, between approximately 1900 and 1950. The collection also features locations throughout Nevada such as Sloan, Panaca, Overton, and Indian Springs. Other images depict various individuals, including figures such as Grant Sawyer and J. Edgar Hoover, in Nevada locations and around the United States including Washington and Los Angeles, California.

The Southern Nevada Educators Photograph Collection consists of reproduction black-and-white photographic prints and negatives that Donna Andress compiled. The majority of the images are portraits of educators in Southern Nevada, primarily educators who have schools in Clark County, Nevada named after them. Other portraits depict prominent Las Vegas citizens, including Leva and William Beckley.

Oral history interview with Mary Noblitt conducted by Mary Sawdey on March 13, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. Noblitt discusses moving to Las Vegas, Nevada and building housing in the southern part of town. Noblitt goes on to discuss communication through railroad and morse code. Lastly, Noblitt discusses the above ground atomic tests.

The Ned V. Bearden Sr. Photograph Collection contains black-and-white photographic prints and negatives of early Las Vegas, Nevada Fremont Street hotels, casinos, as well as Las Vegas businesses and residences between approximately 1940 to 1960. These photographs detail air conditioning units installations by Bearden throughout Las Vegas.

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 Ray W. Baldwin Photograph Collection (approximately 1940 -1981) consists of black-and-white photographic prints, negatives, and slides. The images depict architect Ray W. Baldwin's structures in the Las Vegas, Nevada area, as well as other central and southern Nevada locations.