Add to ORKGRelief shown by contours and spot heights"Geology based on field work by D. Grimley, 1997-1998.""Digital cartography by M. Barrett and A. Tovey, Illinois State Geological Survey."Includes text and 1 location map with indexData sheets include 4 colored cross sections, 2 colored ancillary maps, text, and 2 colored photosIncludes bibliographic references on sheet
Relief shown by contours and spot heights"Geology based on field work by M. Barnhardt, 2004-2005.""D...
Computer generated mapRelief shown by form linesIncludes text, col. ill., schematic cross section, a...
Computer generated mapRelief shown by contours and spot heightsIncludes 2 inset cross-sections, col....
Relief shown by contours and spot heights"Geology based on field work by B. Curry, 1998 and 2005.""D...
Relief shown by contours and spot heights"Geology based on field work by D. Grimley, 1997-1998.""Dig...
Relief shown by contours and spot heights"Geology based on field work by B. Brandon Curry, 1998, 200...
Relief shown by contours and spot heights"Geology based on field work and data compilation by D. Gri...
Relief shown by contours and spot heights"Geology based on field work and data compilation by D. Gri...
Relief shown by contours and spot heights"Geology based on field work by A. Phillips, 2004-2005.""Di...
Relief shown by contours and spot heights"This research was supported in part by the Illinois Depart...
Relief shown by contours and spot heights"This research was supported in part by the U.S. Geological...
Relief shown by contours and spot heights"Geology based on field work by D. Grimley, 2002-2003.""Dig...
Relief shown by contours and spot heights"Geology based on field work and data compilation by D. Gri...
Computer generated mapRelief shown by contoursIncludes text, 5 cross sections, 2 ancillary maps, 1 c...
Relief shown by contours and spot heights"Geology based on field work and data compilation by D. Gri...
Relief shown by contours and spot heights"Geology based on field work by M. Barnhardt, 2004-2005.""D...
Computer generated mapRelief shown by form linesIncludes text, col. ill., schematic cross section, a...
Computer generated mapRelief shown by contours and spot heightsIncludes 2 inset cross-sections, col....
Relief shown by contours and spot heights"Geology based on field work by B. Curry, 1998 and 2005.""D...
Relief shown by contours and spot heights"Geology based on field work by D. Grimley, 1997-1998.""Dig...
Relief shown by contours and spot heights"Geology based on field work by B. Brandon Curry, 1998, 200...
Relief shown by contours and spot heights"Geology based on field work and data compilation by D. Gri...
Relief shown by contours and spot heights"Geology based on field work and data compilation by D. Gri...
Relief shown by contours and spot heights"Geology based on field work by A. Phillips, 2004-2005.""Di...
Relief shown by contours and spot heights"This research was supported in part by the Illinois Depart...
Relief shown by contours and spot heights"This research was supported in part by the U.S. Geological...
Relief shown by contours and spot heights"Geology based on field work by D. Grimley, 2002-2003.""Dig...
Relief shown by contours and spot heights"Geology based on field work and data compilation by D. Gri...
Computer generated mapRelief shown by contoursIncludes text, 5 cross sections, 2 ancillary maps, 1 c...
Relief shown by contours and spot heights"Geology based on field work and data compilation by D. Gri...
Relief shown by contours and spot heights"Geology based on field work by M. Barnhardt, 2004-2005.""D...
Computer generated mapRelief shown by form linesIncludes text, col. ill., schematic cross section, a...
Computer generated mapRelief shown by contours and spot heightsIncludes 2 inset cross-sections, col....