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Here we present an exciting map of General map of a survey in California : in connection with examinations for railroad routes to the Pacific Ocean / made by order of the War Department by Lieut. R. S. Williamson, U.S. Topl. Engrs. assisted by J. G. Parke, U.S. Topl. Engrs. and Mr. Isaac Williams Smith, C.E. It was made in 1855.
Map shows "practicable railway routes" between Ft. Yuma on the Colorado River and the San Francisco Bay region.
Scale 1:600,000. Relief shown by hachures. "Proof revised in Office of P.R.R. Surveys Feb. 10th 1855. All copies printed prior to this date contain errors. G. K. Warren, Lt. Topl. Engrs."
We have created this collection of photos mainly to serve as a valuable educational resource. Contact curator@history-map.com for information or questions on this map.
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