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Alexander County


alexander county map      Map legend and scale


Low elevation: <290 feet above mean sea level
      Place: Mississippi and Ohio Rivers
      7.5' quadrangle name: Wyatt
      PLSS: 3-32-17S-1E
      Geology: Cahokia Alluvium in river valley

High elevation: >820 feet above mean sea level
      Place: Dago Hill
      7.5' quadrangle name: Mill Creek
      PLSS: 3-10-14S-2W
      Geology: Loess over Devonian dolomite

Area: 250.75 square miles
      Total relief (approximate): 530 feet
      Average percent slope: 1.97%


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Updated 5/4/2007 JKH