National Geologic Map Database
Product Description Page
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Title: Bedrock geology of Boone and Winnebago Counties, Illinois
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Author(s): McGarry, C.S.
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Publishing Organization: Illinois State Geological Survey
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Series and Number: Open File Series OFS 2000-3
- Publication Date: 2000
- Map Scale: 1:100,000
- Cross Section: None
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* See base map disclaimer below
- Publication Order Number: OFS 2000-3
* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.