U.S.P.R.R. Explorations & Surveys War Department. Geological map of the country between San Diego and the Colorado River California. Prepared Int Office of P.R.R. Exp. & Surveys. by W. P. Blake
2015615
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Beinecke Rare Book and Manuscript Library > U.S.P.R.R. Explorations & Surveys War Department. Geological map of the country between San Diego and the Colorado River California. Prepared Int Office of P.R.R. Exp. & Surveys. by W. P. Blake
Scale 1:608228.