Two 35" x 52 " map sheets; sheet 1 contains map, legends, and 2 figures; sheet 2 includes descriptive stratigraphic column and cross section; report contains descriptive text and 15 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
© 2021 University of Illinois Board of Trustees. All rights reserved.
For permissions information, contact the Illinois State Geological Survey.