1. Map 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 1868 Maps University Of Minnesota Public content 1868. 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 ... G. W. & C. B. Colton (New York).