Materials include photographs of Native Americans, Native American artifacts, and petroglyphs in Nevada from 1965 to 1975.

Materials contain photographs of non-indigenous pioneers in Nevada, steamboats on the Colorado River, postcards, buildings, railroads, the University of Nevada, Reno, the Mormon Fort (the oldest non-indigenous settlement in the Las Vegas Valley), towns in Nevada, the Candelaria ruins, and schools around the state from 1852 to 1968.

Materials include photographs of railroad surveyors from 1903 to 1904, including photographs of surveyors working near Caliente and Las Vegas, Nevada.

Materials contain photographs of the Hoover Dam and surrounding areas from 1930 to 1965. The Hoover Dam, also known as the Boulder Dam, was constructed on the Colorado River in Black Canyon near Las Vegas, Nevada from 1931 to 1936 during the Great Depression. The dam impounds Lake Mead, the country's largest reservoir, and it provides hydroelectric power to Nevada, Arizona, and California.

Materials also include photographs of the Pueblo Grande de Nevada archaeological sites, also known as the "Lost City," which were partially covered by the waters of Lake Mead. The area originally belonged to Puebloan peoples. Additionally, the materials contain photographs of the town of St. Thomas, which was also submerged beneath Lake Mead.

Materials contain photographs of the Gilcrease Ranch near Las Vegas, Nevada from 1923 to 1963, including photographs of the Gilcrease family, buildings on the ranch, and farm animals.

Materials contain photographs of the Powell Commemorative Ceremony in 1969, which commemorated the construction of the Glen Canyon Dam and Lake Powell.