1. Illinois, Missouri & Iowa, 1864 Maps University Of Iowa Public content 1860. Wells, J. 1 color map 26 x 21 cm Scale [ca. 1:3,900,000] W 96°--W 87°/N 44°--N 35°. A.S. Barnes & Burr.
2. United States: map no. 8, 1847 Maps University Of Iowa Public content 1840. Smith, Roswell Chamberlain, 1797-1875. 1 map. Cady and Burgess.