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  • Journals, Magazines, Newspapers

    Special report

    Special report (Illinois State Geological Survey)
    Author
    Department of Energy and Natural Resources, Illinois State Geological Survey
    Date
    1992-
    Available As
    Physical
  • Journals, Magazines, Newspapers

    Annual report

    Author
    Illinois State Geological Survey
    Available As
    Physical
  • Journals, Magazines, Newspapers

    Geological Survey of Illinois

    Author
    Illinois State Geological Survey
    Date
    1866-90
    Available As
    Physical
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