Keywords: stereoscopic stereophotography stereophotographs historical usgs history geology mapping black and white blackandwhite bnw stereograph blackandwhite monochrome outdoor black and white Ruins in Montezuma Canyon, containing stones of unusual size.E.A. Barber and Henry Lee in view. San Juan County, Utah. 1875. Ruins in Montezuma Canyon, containing stones of unusual size.E.A. Barber and Henry Lee in view. San Juan County, Utah. 1875. Ruins in Montezuma Canyon, containing stones of unusual size.E.A. Barber and Henry Lee in view. San Juan County, Utah. 1875. blackandwhite history stereoscopic stereophotography historical geology stereograph mapping bnw usgs stereophotographs Ruins in Montezuma Canyon With stones of Unusual size San Juan Utah.jpg San Juan County Utah 1875 2015-03-25 https //www flickr com/photos/usgeologicalsurvey/16900322556/ U S Geological Survey other versions cc-zero Ruins in Utah Stones Geography of San Juan County Utah Montezuma Canyon |