tag:digital.library.illinois.edu,2005:/items/a0ad53e0-994e-0134-2096-0050569601ca-9North America : sheet IX, parts of Missouri, Illinois and Indiana2022-09-15T18:31:50Ztag:digital.library.illinois.edu,2005:Item/699782016-11-30T19:19:41Z2022-09-15T18:31:50ZNorth America : sheet IX, parts of Missouri, Illinois and IndianaRelief shown by hachures.University of Illinois at Urbana-Champaign Library