National Geologic Map Database
General Information
- Title: Classification of the Pennsylvanian rocks of Illinois as of 1956
- Author(s): Wanless, H.R., and Siever, Raymond
- Publishing Organization: Illinois State Geological Survey
- Series and Number: Circular 217
- Publication Date: 1956
- Cross Section: Yes
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Geologic units referred to in Geolex
Additional Resources
- Links and Downloads:
- Publication
- This product is available, please note the publication series and number, and then contact:
- Illinois State Geological Survey
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- ISGS
- 615 E. Peabody Drive
- Champaign, IL 61820-6964
- Phone: (217) 244-2414
- Email: sales@prairie.illinois.edu
* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.