20220210 18244500 1.0 TRUE Scale is 1:500,000. This is the digital version of ISGS Map Series, Illinois Map 5. Full Metadata geology bedrock topography Illinois Buried Bedrock Surface of Illinois Illinois State Geological Survey Buried Bedrock Surface of Illinois 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