Browse Illinois State Geological Survey (ISGS) by Contributor "Geological Society of America. North-Central Section. Meeting (35th : 2001 : Champaign, Ill.)"
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Guidebook for field trips for the thirty-fifth annual meeting of the North-Central Section of the Geological Society of America : April 23-24, 2001 ([Champaign, Ill.] : Illinois State Geological Survey,, 2001)