J.H. Colton. 1 map : hand col. ; 28 x 36 cm., folded in cover 13 cm. Scale [ca. 1:1,650,000] (W 94⁰30ʹ--W 88⁰30ʹ/N 33⁰00ʹ--N 28⁰54ʹ). "Entered according to act of Congress in the year 1854 by J.H. Colton in the clerks office of the district court of the United States for the southern district of New York."