Keywords: stereoscopic stereophotography stereophotographs historical usgs history geology mapping black and white blackandwhite bnw stereograph blackandwhite monochrome outdoor black and white Punch and Judy, now called Navajo Twins. Two solitary knobs left standing upon the edge of the tablelands bordering the San Juan River. This river affords an excellent study of the sandstones of this region. San Juan County, Utah. 1875. (Stereoscopic view similar to photo nos. 536, 1156) Punch and Judy, now called Navajo Twins. Two solitary knobs left standing upon the edge of the tablelands bordering the San Juan River. This river affords an excellent study of the sandstones of this region. San Juan County, Utah. 1875. (Stereoscopic view similar to photo nos. 536, 1156) |