Relief shown by contours and spot heights"Geology based on field work by B. Curry, 1998 and 2005.""Digital cartography by J. Carrell and J. Domier, Illinois State Geological Survey."Includes 1 location map with index diagramData sheet includes 3 colored cross sectionsIncludes bibliographical references (p. 12-13 of text)Funded in part by the USGS National Cooperative Geologic Mapping Program 98HQAG205
Relief shown by contours and spot heights"Geology based on field work by D. Grimley, 1997-1998.""Dig...
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 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 David ...
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 B. Curry, 1998 and 2005.""D...
Relief shown by contours and spot heights"Geology based on field work by David A. Grimley and Nathan...
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 E.D. McKay, R.C. Berg, A.J....
Relief shown by contours and spot heights"Geology based on field work and data compilation by D. Gri...
Relief shown by contours and spot heightsIncludes text and 1 location map with index to adjoining qu...
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 C. Pius Weibel and Franðcoi...
Relief shown by contours and spot heights"Geology based on field work by D. Grimley, 1997-1998.""Dig...
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 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 David ...
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 B. Curry, 1998 and 2005.""D...
Relief shown by contours and spot heights"Geology based on field work by David A. Grimley and Nathan...
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 E.D. McKay, R.C. Berg, A.J....
Relief shown by contours and spot heights"Geology based on field work and data compilation by D. Gri...
Relief shown by contours and spot heightsIncludes text and 1 location map with index to adjoining qu...
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 C. Pius Weibel and Franðcoi...
Relief shown by contours and spot heights"Geology based on field work by D. Grimley, 1997-1998.""Dig...
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...