(CARTOGRAPHY) CHAPMAN, SILAS Sectional map of the State of Iowa compiled from the United States surveys and other authentic sources. Chicago: Rufus Blanchard, 1868.Folding pocket map (62 x 85 cm., sheet); folds into publisher's cloth covers, with title gilt-stamped on upper cover. Lithography by L. Lipman of Milwaukee, with full period hand-coloring.Printed note on rear cover, signed in print by Surveyor General Warner Lewis, states that "this map of the State of Iowa was projected by Major Jas. A. Reid from the original plates on file in this office ... [I]t has been carefully compared and is correct."