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Packtrain in San Francisco Mountain region. Shows character of the mountains on high plateau regions of the Colorado River. Arizona. 1885. USGS Earth Science Photographic Archive digital files:hjk00830 and hjk0830a

The URL is: https://gotbooks.miracosta.edu/gonp/3Dcanyons/pages/sanfranciscomtns.htm Last modified: 2/14/2004