INRS State Scientific Surveys

• Illinois Natural History Survey
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• Illinois State Archaeological Survey
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• Illinois State Geological Survey
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• Illinois State Water Survey
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• Illinois Sustainable Technology Center

Illinois State Geological Survey

Richard C. Berg, Director
615 E. Peabody
Champaign, IL 61820
217-333-4747
info@isgs.illinois.edu

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For permissions information, contact the Illinois State Geological Survey.

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