The Hoover Dam and Colorado River photographs depict the Hoover (Boulder) Dam and the Colorado River from 1925 to 1960. The photographs primarily depict the Hoover Dam following its completion in 1935, but also show the dam'’s construction and location in Black Canyon on the Colorado River. The photographs also depict Lake Mead, the reservoir created by the Hoover Dam, as well as Boulder Canyon. The items described include black-and-white photographic prints, postcards, and negatives; items listed are photographic prints unless otherwise specified.

The locations in the Western United States photographs depict the locations visited by the Bracken Family from 1892 to 1914. The photographs include the states of Utah, Idaho, California, Ohio, South Dakota, Alaska, Northern Nevada, and Arizona. Numbered items inside oversized boxes are photographs within scrapbooks and have been digitized.

The Las Vegas, Nevada hotels and casinos photographs depict hotels and casinos in Las Vegas, Nevada from 1940 to 1999. The photographs primarily depict the Sahara Hotel, Circus Circus Hotel and Casino, MGM Grand Las Vegas Hotel and Casino, Caesars Palace, Flamingo Hotel, and Aladdin Hotel. The items described include photographic prints and negatives; items listed are photographic prints unless otherwise specified.

The Laughlin, Nevada photographs depict the town of Laughlin, Nevada from 1970 to 1990. The photographs primarily depict hotels and casinos, the Laughlin Community Center, and ferries on the Colorado River. The photographs also depict Don Laughlin, the entrepreneur who purchased the land where Laughlin is located.