Colton's new railroad map of the United States & Canada
- G.W. & C.B. Colton & Co
- G.W. and C.B. Colton & Co
Covers also parts of Canada, Mexico, and the Caribbean Islands. Prime meridians: Greenwich and Washington, D.C. Relief shown by hachures. Insets: The world on a polar projection--Map of the great railroad routes from the Middle Atlantic ports to the Mississippi River / by J.H. Goldthwait--Map of the railroads of New England and eastern N. York / by J.H. Goldthwait.
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