National Geologic Map Database
General Information
- Title: Geology of microcrystalline silica (Tripoli) deposits, southernmost Illinois
- Author(s): Berg, R.B., and Masters, J.M.
- Publishing Organization: Illinois State Geological Survey
- Series and Number: Circular 555
- Publication Date: 1994
- Map Scale: 1:14,118
- Cross Section: Yes
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Geologic units referred to in Geolex
Additional Resources
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- Publication
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- Illinois State Geological Survey
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- 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.