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You searched for: Provenance Indiana. Geological Survey. Regional geologic map , no. 4. Remove constraint Provenance: Indiana. Geological Survey. Regional geologic map , no. 4. Publisher Indiana. Geological Survey Remove constraint Publisher: Indiana. Geological Survey Subject Topical Subject: Geology, Stratigraphic Remove constraint Subject: Topical Subject: Geology, Stratigraphic

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  • Geological map of the 1¬¨‚àû x 2¬¨‚àû Chicago Quadrangle, Indiana, Illinois, and Michigan, showing bedrock and unconsolidated deposits