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/pagesbig/sanfranciscomtns.htm
Last modified: 2/14/2004