Keywords: stereoscopic stereophotography stereophotographs historical usgs history geology mapping black and white blackandwhite bnw stereograph blackandwhite monochrome outdoor water black and white Yellowstone National Park, Wyoming. Crater of Castle Geyser in Upper Geyser Basin and Hot Springs Basin. 1872.U.S. Geological and Geographical Survey of the Territories (Hayden Survey). Stereoscopic view. Yellowstone National Park, Wyoming. Crater of Castle Geyser in Upper Geyser Basin and Hot Springs Basin. 1872.U.S. Geological and Geographical Survey of the Territories (Hayden Survey). Stereoscopic view. |