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You searched for: Date Created 1979 Remove constraint Date Created: 1979 Subject Topical Subject: Geology, Stratigraphic Remove constraint Subject: Topical Subject: Geology, Stratigraphic

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  • Geologic map of the 1¬¨‚àû x 2¬¨‚àû Indianapolis quadrangle, Indiana and Illinois, showing bedrock and unconsolidated deposits