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You searched for: Creator Indiana. Geological Survey Remove constraint Creator: Indiana. Geological Survey Date Created 1970 Remove constraint Date Created: 1970 Holding Location B-WELLS Remove constraint Holding Location: B-WELLS

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