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You searched for: Creator Hill, John R, Remove constraint Creator: Hill, John R, Creator Illinois State Geological Survey Remove constraint Creator: Illinois State Geological Survey Publisher Indiana. Geological Survey Remove constraint Publisher: Indiana. Geological Survey Subject Geographic Subject: Indiana Remove constraint Subject: Geographic Subject: Indiana State deposited Remove constraint State: deposited

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