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General Information

  • Title: Geology of Alexander County, Illinois
  • Author(s): Devera, J.A., and Breeden, J.R.
  • Publishing Organization: Illinois State Geological Survey
  • Series and Number: STATEMAP Alexander County-G
  • Publication Date: 2022
  • Map Scale: 1:48,000
  • Cross Section: Yes
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.