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Illinois State Geological Survey

Illinois State Geological Survey

3 books

Books by Illinois State Geological Survey

Cover of Inside Illinois: Mineral Resources

Inside Illinois: Mineral Resources

English 104h 25m read

Cover of Guide to Rocks and Minerals of Illinois

Guide to Rocks and Minerals of Illinois

English 194h 46m read

Cover of Guide to the Geologic Map of Illinois

Guide to the Geologic Map of Illinois

English 72h 51m read