46" × 32.5" single map sheet, contains map, legend, descriptive stratigraphic column, and descriptive text
Purchase this map online through Shop ISGS*, or contact the Sales and Information Office for more information.
*excludes EDMAP series and student maps
Richard C. Berg, Director
615 E. Peabody
Champaign, IL 61820
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For permissions information, contact the Illinois State Geological Survey.