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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
  • State Highway System of Indiana
  • Average January temperature in degrees Farenheit
  • Number of employees, non-electrical machinery industries, 1967
  • Mineral resources
  • Population change, 1860-1960
  • Personal income, 1959
  • Map of Indiana showing bedrock geology
  • Water resources