Map Poster - Colton's railroad & township map of the state of Ohio drawn by George W. Colton engraved by J M. Atwood. - 24"x20.5" Measures 24 inches x 20.5 inches. Includes a 0.5 inch white border on all sides to allow for matting and framing. Printed on high quality glossy paper. All our posters are reproductions. We do not sell originals. Source:Library of Congress, Geography and Map Division