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Illinois History Project

Illinois Geography/Resources/Topography
  • Area: 56,400 square miles
  • Highest Point: Charles Mound - 1,235 ft.
  • 102 Counties
  • Dominant Land Use:
    1. Cash Corn, oats, Soybeans
    2. Hogs, Soft Winter Wheat
    3. Cattle Feed, Hogs
    4. Hogs, Dairy
    5. Specialized Dairy
    6. General Farming, Dairy, Livestock, Poultry
    7. Pasture Livestock
    8. Urban Areas
  • Major Mineral Occurences
    1. Coal
    2. Clay
    3. Fluorspar
    4. Limestone
    5. Petroleum
    6. Lead
    7. Zinc
  • Rivers Bordering and Within the Boundaries of Illinois:
    • Big Muddy
    • Des Plaines
    • Embarrass
    • Fox
    • Green
    • Illinois
    • Kankakee
    • Kaskakia
    • Kishwaukee
    • La Moine
    • Little Wabash
    • Mackinaw
    • Macoupin
    • Mississippi
    • Ohio
    • Pecatonica
    • Rock
    • Saline
    • Salt
    • Salt Fork
    • Sangamon
    • Shoal
    • Silver
    • Skillet Fork
    • Spoon
    • Sugar
    • Vermilion
    • Wabash
  • Major Industrial Areas:
    • Chicago-Northeastern Illinois:
      • Machinery
      • Metal & Electrical Products
      • Food Processing
      • Printing & Publishing
      • Chemicals
      • Iron & Steel
      • Clothing
      • Transportation Equipment
    • Rockford:
      • Machine Tools
      • Machinery
      • Metal Products
      • Screws & Bolts
      • Farm Equipment
    • Rock Island-Moline:
      • Machinery
      • Metal Products
      • Ordnance
      • Farm Equipment
    • Peoria:
      • Machinery
      • Metal Products
      • Chemicals
      • Food Processing
      • Distilling
      • Earth Movers
    • Decatur:
      • Machinery
      • Metal Products
      • Soybean & Corn Processing
      • Food Processing
    • Springfield:
      • Electrical & Metal Products
      • Machinery
      • Tractors
    • East St. Louis:
      • Primary Metals
      • Aluminum Products
      • Chemicals
      • Food Processing
      • Oil Refining
      • Building Materials

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