Relief shown by contours and spot heights"Geology based on field work and data compilation by D. Grimley and A. Phillips, 2004-2005.""Digital cartography by J. Carrell and J. Domier, Illinois State Geological Survey."Includes text and 1 location map with index diagramData sheet includes text, 2 colored cross sections, 2 ancillary maps and 1 tableIncludes bibliographical references (data sheet
Relief shown by contours and spot heights"Geology based on field work by C. Pius Weibel and Franðcoi...
Relief shown by contours and spot heightsIncludes text, location map, and index to adjoining quadran...
Mode of access: Internet; current access through PURLRelief shown by contours and spot heights"Geolo...
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 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"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...
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 by B. Curry, 1998 and 2005.""D...
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 by D. Grimley, 1997-1998.""Dig...
Relief shown by contours and spot heights"Geology based on field work by C. Pius Weibel and Franðcoi...
Relief shown by contours and spot heights"Geology based on field work by D. Grimley and S. Lepley, 2...
Relief shown by contours and spot heights"Geology based on field work by C. Pius Weibel and Franðcoi...
Relief shown by contours and spot heightsIncludes text, location map, and index to adjoining quadran...
Mode of access: Internet; current access through PURLRelief shown by contours and spot heights"Geolo...
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 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"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...
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 by B. Curry, 1998 and 2005.""D...
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 by D. Grimley, 1997-1998.""Dig...
Relief shown by contours and spot heights"Geology based on field work by C. Pius Weibel and Franðcoi...
Relief shown by contours and spot heights"Geology based on field work by D. Grimley and S. Lepley, 2...
Relief shown by contours and spot heights"Geology based on field work by C. Pius Weibel and Franðcoi...
Relief shown by contours and spot heightsIncludes text, location map, and index to adjoining quadran...
Mode of access: Internet; current access through PURLRelief shown by contours and spot heights"Geolo...