Bradford, T. G. (Thomas Gamaliel), 1802-1887.1 mapScale [ca. 1:1,600,000]W 92°05′--W 86°45′/N 45°30′--N 40°20′JPEGui:sheetmaps_10engT.G. BradfordPublicIowa and Wisconsin, 1842MapsWisconsinIowa1840-1850University of Iowa