Colton's New Sectional Map Of The State Of Nebraska. G.W. & C.B. Colton & Co. 172 William Street New York. 1872. Entered ... 1865, by G.W. & C.B. Colton ... New York. (inset) Map showing the Relation of Nebraska to the Adjoining States & Territories. (with) Western Extension Of Colton's Sectional Map Of Nebraska. Entered ... 1865 by G.W. & C.B. Colton & Co ... New York.