Books by Illinois State Geological Survey (sorted by popularity)
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- Alias University of Illinois (Urbana-Champaign campus). State Geological Survey
- Alias ISGS
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Displaying results 1–3
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Guide to Rocks and Minerals of Illinois
Illinois State Geological Survey
268 downloads
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Guide to the Geologic Map of Illinois
Illinois State Geological Survey
233 downloads
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Inside Illinois: Mineral Resources
Illinois State Geological Survey
70 downloads
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Displaying results 1–3
