Relief shown by contours and spot heightsContour interval 10 feet"Geology based on field work and well-log analysis by J. Devera and J. Nelson, 1998-2005.""Digital cartography by J. Domier, M. Bentley, and M. Widener, Illinois State Geological Survey.""[Copyright] 2009 by The Board of Trustees of the University of Illinois."Includes location map with index to adjoining quadranglesData sheet includes text, 1 col. stratigraphic column, and 1 col. cross sectionIncludes bibliographical reference
Relief shown by contours and spot heights"Geology based on field work by B. Curry, 2004.""Digital ca...
Relief shown by contours and spot heights"Geology based on field work and data analysis by W.J. Nels...
Relief shown by contours and spot heights"Geology based on field work and data compilation by S. Pan...
Relief shown by contours and spot heightsContour interval 10 feet"Geology based on field work and we...
Relief shown by contours and spot heights"Geology based on field work by J. Nelson and J. Hintz, 199...
Relief shown by contours and spot heights"Geology based on fieldwork by W.J. Nelson and L. Williams....
Relief shown by contours and spot heights"Geology based on field work and data analysis by J. Nelson...
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 analysis by W.J. Nels...
Relief shown by contours and spot heights"Geology based on field work by J. Nelson, 2005-2006.""Digi...
Relief shown by contours and spot heights"Geology based on field work by W. John Nelson, F. Brett De...
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 analysis by W.J. Nels...
Relief shown by contours and spot heights"Geology based on field work and data analysis by W.J. Nels...
Relief shown by contours and spot heights"Geology based on field work by F.B. Denny, 2000-2001.""Dig...
Relief shown by contours and spot heights"Geology based on field work by B. Curry, 2004.""Digital ca...
Relief shown by contours and spot heights"Geology based on field work and data analysis by W.J. Nels...
Relief shown by contours and spot heights"Geology based on field work and data compilation by S. Pan...
Relief shown by contours and spot heightsContour interval 10 feet"Geology based on field work and we...
Relief shown by contours and spot heights"Geology based on field work by J. Nelson and J. Hintz, 199...
Relief shown by contours and spot heights"Geology based on fieldwork by W.J. Nelson and L. Williams....
Relief shown by contours and spot heights"Geology based on field work and data analysis by J. Nelson...
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 analysis by W.J. Nels...
Relief shown by contours and spot heights"Geology based on field work by J. Nelson, 2005-2006.""Digi...
Relief shown by contours and spot heights"Geology based on field work by W. John Nelson, F. Brett De...
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 analysis by W.J. Nels...
Relief shown by contours and spot heights"Geology based on field work and data analysis by W.J. Nels...
Relief shown by contours and spot heights"Geology based on field work by F.B. Denny, 2000-2001.""Dig...
Relief shown by contours and spot heights"Geology based on field work by B. Curry, 2004.""Digital ca...
Relief shown by contours and spot heights"Geology based on field work and data analysis by W.J. Nels...
Relief shown by contours and spot heights"Geology based on field work and data compilation by S. Pan...