Mud Geyser in action. Yellowstone National Park, Wyoming. 1871.

Album caption: Mud Geyser, on the Yellowstone River, Hot Spring Series, Handwritten notes on album caption: 57-HS-97 USGS in National Archives. New no. 97. In action. 1871. This photo appears to have been retouched in the center of glass neg. to indicate the rise and fall of the geyser. Some other geyser photos have the retouching. Nellie C. Carico topog. div. June 14, 1972. Descriptive Catalog of the Photographs of the United States Geological Survey of the Territories, W. H. Jackson, Photographer, Second Edition, Illustrated, 1871 Series, page 29, No. 264: Mud Geyser in action. The only true mud geyser discovered, 8 miles below Yellowstone Lake. It has a funnel-shaped orifice in the center of a basin 150 feet in diameter and in [...]