Black and white image with the following printed description: Visit of Secretary Wilbur and party to Black Canyon Damsite. Party at St. Thomas, Nevada.
Black and white image with the following printed description: The late afternoon sun highlights the transmission lines from Hoover Dam as they sweep across the desert.
Black and white portrait with the following printed description: Major John Wesley Powell - 2nd Director of Geological Survey (March 18, 1881 to June 7, 1894).
Black and white image of Old Callville with the following printed description: The deserted town of Old Callville looking downstream. Shows largest building approximately 30' X 120' and built of masonry.
Black and white image of the Black Canyon Reservoir site as seen from Monument Pass on the Nevada side of the Colorado River. This photograph was taken at 6:25 a.m.