Iowa State Map U.S. Survey Details 1861 Bien lithographed folding mapNo. 2 Sketch of the Public Surveys in Iowa and Dakota. (Old Maps, 19th Century Maps, Americana, Midwest, Iowa, Public Surveys, Cedar Rapids, Davenport, Dubuque). Issued 1861, United States by U. S. Surveyor General. Lithographed New York by Bien. Civil War era large lithographed state map showing the progress of the U. S. Survey in that particular state. Original fold lines as issued. Sheet Measures c. 19" H x 22 1 2" W. Printed Area Measures c. 17" H