Map of North America from the latest authorities, showing the proposed railroad routes from the Atlantic to the Pacific Oceans /

Relief shown by hachures.
"Entered according to Act of Congress in the year 1849 by J.H. Colton in the Clerk's Office of the District Court of the Southern District of New York."
From the Nathaniel Prentice Banks papers in LC Manuscript Division.
Includes list of "Geographical statistic's," distance list, and illustrations.
Available also through the Library of Congress Web site as a raster image.
Acquisitions control no. 20-83