Two 36" × 30" map sheets; sheet 1 includes map and legends; sheet 2 includes descriptive stratigraphic column and descriptive text
4.4 mb zip file (GIS file contents)
Purchase this map online through Shop ISGS*, or contact the Sales and Information Office for more information.
*excludes EDMAP series
E. Donald McKay, III, Director
615 E. Peabody
Champaign, IL 61820
© 2014 University of Illinois Board of Trustees. All rights reserved.
For permissions information, contact the Illinois State Geological Survey.