The Reverend Donald M. Clark Photograph Collection (approximately 1965-1978) is comprised of black-and-white photographic prints and negatives. The bulk of the images portray Reverend Clark’s work with black communities in Las Vegas, Nevada and the Lake Tahoe area. Additional images depict Reverend Clark with various prominent individuals in the civil rights movement, including boxer Joe Frazier and American gospel singer Mahalia Jackson.

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 Mary Griffith Toleno Photograph Collection contains photographs of Nevada from approximately 1875 to 1964. The materials include photographs of Fort Churchill, the Virginia and Truckee Railroad, the New York Mine in Silver City, Virginia City, buildings in Lovelock, Nevada, and locations in Carson City, Nevada and Reno, Nevada. The materials also include photographs of the Griffith family and friends.

The Arthur Walker Gregory Photograph Collection, approximately 1900 to 1920, consists of black-and-white photographic prints, and two corresponding negatives. Two of the images depict the first train to arrive in Las Vegas, Nevada from Salt Lake City, Utah in 1905, one with railroad employees in the foreground. The remaining images depict Arthur Walker Gregory’s class photographs at the Las Vegas Grammar School when he was in the first, third, and fifth grades.

The William Geagley Collection on Nuclear Safety contains government publications, memoranda, and pamphlets about counteracting nuclear contamination of food supplies from 1951 to 1960. The materials primarily document Geagley’s oversight of the development of food safety contingency plans for the Michigan Department of Agriculture. The materials also contain information relating to the Nevada Test Site’s plans for Operation Plumbbob, atmospheric and underground nuclear tests held in 1957 in Nevada.

The Elizabeth Gemmell Frizzell Photograph Collection, approximately 1982 to 2015, contains black-and-white photographic prints and negatives of depicting life at the Prince Mine in Pioche, Nevada. Images portray Tom Wah and his wife Gue Gim Wah posing in front of the one-room school house where Tom served meals and lived for a short time prior to purchasing the mine store. Images are reproductions created between 1982 and 2020 of scenes from approximately 1920 to 1939.

The Byrd Wall Sawyer Photograph Collection contains color photographic slides depicting Byrd Wall Sawyer’s home, the Carson House, in Carson City, Nevada; towns and cities; and landscapes throughout Nevada between approximately 1950 to 1970. Nevada towns and cities primarily depicted include Belmont, Manhattan, Reno, and Dixie. Nevada landscapes include Carson River, Carson Mountains, Olinghouse Canyon, Washoe Lake, King’s Canyon, Lake Winnemucca, Washoe Valley, and Lake Tahoe.