The Henry C. Wieking Photograph Collection contains black-and-white photographic prints and negatives, as well as postcards of Las Vegas, Nevada between approximately 1920 and 1940. These images primarily depict Wieking and his family in front of the Las Vegas Mormon Fort and Hoover Dam (Boulder Dam). Other photographs include Six Companies and United States Bureau of Reclamation vehicles, Mount Charleston, the Colorado River, Black Canyon, and desert scenes. The remaining images depict Barstow and Death Valley, California; and a Grand Canyon bridge in Arizona.

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 Virginia Logan Photograph Collection contains photographic prints, negatives, and slides primarily depicting Nevada between approximately 1900 and 1940 with a focus on Las Vegas and its local landscapes. These photographs were taken by Glenn Davis.