COLTON, G.W. & C.B. Colton's New Railroad Map of the States of Ohio, Michigan, Indiana, Illinois, Missouri, Wisconsin & Iowa.Minnesota, Nebraska & Kansas. Hand-colored lithographed folding map of the Midwest. 540x720 mm; original cloth folder, gilt-lettered; few splits at intersecting folds, very minor loss at few intersections. New York: Colton, 1872
