One 31" × 35" map sheet; includes map, legends, and 2 figures
Purchase this map online through Shop ISGS*, or contact the Sales and Information Office for more information.
*excludes EDMAP Series
Richard C. Berg, Director
615 E. Peabody
Champaign, IL 61820
© 2022 University of Illinois Board of Trustees. All rights reserved.
For permissions information, contact the Illinois State Geological Survey.