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ThumbnailTitleMap of the routes of the Union Pacific Rail Roads with their eastern connections [cartographic material] , compiled from authorized explorations, public surveys, and other reliable data from the departments of the Government, by W.J. Keeler, Civil Engineer, November, 1867.
http://nla.gov.au/nla.map-rm1549
Resp.Union Pacific Railroad Company.; Gedney, Joseph F.; Keeler, W. J.
Date1867