The Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada depict the construction of the Hoover (Boulder) Dam and the development of Boulder City, Nevada from 1869 to 1974, with a bulk of the materials dating from 1929 to 1940. The photographs primarily depict the construction operations in Black Canyon, including digging tunnels, pouring concrete, building the power plant, and inspections by Bureau of Reclamation engineers. The photographs also depict Boulder City, including schools, workers, and dormitories. The collection also includes photographs of St. Thomas, Nevada, Lake Mead, Nelson’s Landing, Nevada, and an archaeological excavation near Lake Mohave, Nevada.

The Sister Klaryta Antoszewska Photograph Collection (1977-1991) consists of photographic slides that depict various Nevada, United States, and international nuclear test protests. The collection includes images of Sister Klaryta Antoszewska and Sister Rosemary Lynch, as well as images of the Lenten Desert Experience and numerous protests at the Nevada Test Site. Also included are images of nuclear testing, soldiers, and anti-nuclear testing promotional materials.

The Beckley Family Photograph Collection (approximately 1891-1982) consists of black-and-white photographic prints and negatives and color photographic slides. The images depict the Beckley family, their businesses in southern Nevada, and Las Vegas, Nevada as the city developed during the first half of the twentieth century. Also included are images of airplanes at the first Las Vegas airport Anderson Field, later renamed Rockwell Field in 1925, Fremont Street in Las Vegas, and postcards of mining towns across southern Nevada.

The William S. Park Photograph Collection (approximately 1870-1960) consists of black-and-white photographic prints and negatives of the families of William S. Park, John S. Park, and John William Park, as well as photographs of the Thomas children, half-siblings of John William Park's daughter Virginia. The majority of the images show locations in Las Vegas, Nevada with a smaller number taken in Kentucky, Oklahoma, Colorado, and California. Also included are three photograph albums of William S. and John William Park as children.

The Michael McKensie Pratt Professional Papers (approximately 1950-2021) contain costume designs, musical selections, and synopsis for shows that Pratt worked on in Las Vegas, Nevada including 90 Degrees & Rising, Les Folies Chic, and Jubilee!. The collection also contains souvenir show programs for cabaret shows performed in Paris, France and Las Vegas, Nevada, including Lido de Paris, Casino de Paris, Bal du Moulin Rouge, and Folies Bergere. Materials also include copies of Pratt's curriculum vita and swing bible used by Pratt when he was the co-company manager for Jubilee!. Also included are video recordings of shows Pratt choreographed and an archived version of Pratt's personal website.