(Covers to) Colton's New Rail Road & County Map Of The United States, The Canadas &c. 1871. Published By G.W. And C.B. Colton, 172 William St. New York. Entered ... 1869 by G.W. & C.B. Colton & Co ... New York. (inset) Colton's Map Of The United States showing the Proposed Railroad Routes To The Pacific Ocean. (inset) Southern Part Of Florida.