Keywords: stereoscopic stereophotography stereophotographs historical usgs history geology mapping black and white blackandwhite bnw stereograph blackandwhite monochrome black and white Yellowstone National Park, Wyoming. Crater of Old Faithful Geyser in Upper Geyser Basin.U.S. Geological and Geographical Survey of the Territories (Hayden Survey). Stereoscopic view. Yellowstone National Park, Wyoming. Crater of Old Faithful Geyser in Upper Geyser Basin.U.S. Geological and Geographical Survey of the Territories (Hayden Survey). Stereoscopic view. |