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Illinois Preliminary Geologic Map - WillisvilleBedrock GeologyTheme: Bedrock GeologyAuthor: W. John Nelson Description: 36" × 30" two map sheets; sheet 1 contains map and legend; sheet 2 includes descriptive text, descriptive stratigraphic column, and a cross section. Year Delivered: 2005 (originally STATEMAP 2005) File size: 3.1 mb Hardcopy: $15.00
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| Updated 4/4/2008 SLD | |||||