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Greene County


greene county map Map legend and scale


Low elevation: <420 feet above mean sea level
      Place: Illinois River
      7.5' quadrangle name: Nutwood
      PLSS: 3-24-8N-14W
      Geology: Cahokia Alluvium in river valley

High elevation:  >690 feet above mean sea level
      Place: Unnamed hilltop
      7.5' quadrangle name: Bedford
      PLSS: 3-2-12N-13W
      Geology: Loess over Glasford till, perhaps over Mississippian Kinderhookian limestone

Area: 541.04 square miles
      Total relief (approximate): 270 feet
      Average percent slope: 1.36%


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Updated 5/4/2007 JKH