Keywords: stereoscopic stereophotography stereophotographs historical usgs history geology mapping black and white blackandwhite bnw stereograph blackandwhite monochrome outdoor black and white Gore Canyon. View near its mouth, looking down. The Colorado River here makes its first entry of the canyon, flowing quietly and smoothly through the upturned beds of sandstone that lie up against the more massive rocks of the canyon proper. Grand County, Colorado. 1874. (Stereoscopic view) Gore Canyon. View near its mouth, looking down. The Colorado River here makes its first entry of the canyon, flowing quietly and smoothly through the upturned beds of sandstone that lie up against the more massive rocks of the canyon proper. Grand County, Colorado. 1874. (Stereoscopic view) |