One 30" × 35" map sheet; contains map, legends, and references.
GIS download contains ArcGIS geodatabase and metadata, ArcReader map document, and published map in PDF format (GIS file contents).
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
© 2023 University of Illinois Board of Trustees. All rights reserved.
For permissions information, contact the Illinois State Geological Survey.