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.

Map of the western United States showing relief by hachures, drainage, cities and towns, military posts, railroads, and the Northern Pacific Railroad in red. Includes a profile of the line.Scale 1:2,100,000."April 1868" belongs to "accompany the report of the New York Chamber of Commerce."LC also has another edition, scale 1:3,158,000 from the New York Chamber of Commerce report of a special committee, March 26, 1868.LC Railroad maps, 177Description derived from published bibliography