G.W. & C.B. Colton & Co.Map of the western United States showing drainage, cities and towns, military posts, railroads, and the Northern Pacific Railroad in red. Includes a profile of the line.Negative photostat from unknown source.; Relief shown by hachures.48 x 112 centimeters, on sheet 77 x 132 centimetersJPEGUMN_ALMA:9917362920001701engG. W. & C. B. Colton (New York)PublicMap of the country from Lake Superior to the Pacific Ocean : From the latest explorations and surveys, to accompany the report of the New York Chamber of Commerce, April 1868MapsUnited States1868University of Minnesota