Watsons new county and railroad map of the western states and territories - Watson, Gaylord (Chicago, Ill. : D. Needham, 1871)
Relief shown by hachures and spot heights.
"Entered according to Act of Congress, in the year 1871, by Gaylord Watson, in the Office of the Librarian of Congress, at Washington."
Prime meridians: Washington and Greenwich.
Includes text and ill.
Keywords: Railroads -- West (U.S.) -- Maps; West (U.S.) -- Historical geography -- Maps; Maps -- West (U.S.) -- 1871.; Railroad maps -- West (U.S.) -- 1871.; Maps