United States. General Land Office.1 mapScale [1:760,320]. 1 inch = 12 miles.W 96°38ʹ--W 90°07ʹ/N 43°30ʹ--N 40°23ʹJPEGui:sheetmaps_103engGeneral Land OfficePublicState of Iowa, 1878MapsIowa1870-1880University of Iowa