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You searched for: Date Created 1970 Remove constraint Date Created: 1970 Publisher Indiana University. Department of Geography Remove constraint Publisher: Indiana University. Department of Geography

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  • Average January temperature in degrees Farenheit
  • Number of employees, non-electrical machinery industries, 1967
  • Mineral resources
  • Population change, 1860-1960
  • Personal income, 1959
  • Water resources
  • Urban population change, 1910-1960
  • Natural vegetation
  • Physiographic regions
  • Other proposed electric interurban railroads, 1890-1915