U.S. Geological Survey in Wyoming - Red Buttes Expedition, William Henry Jackson, 24 August 1870

Date: 24 August 1870. Collection: National Archives at College Park. The U.S. Geological Survey in camp at Red Buttes. Figures are 1. F.V. Hayden, U.S. Geologist in Charge, 2. James Stevens - NARA - 516891