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Jo Daviess County


jodavies county map Map legend and scale


Low elevation: <590 feet above mean sea level
      Place: Mississippi River
      7.5' quadrangle name: Green Island
      PLSS: 4-31-26N-2E
      Geology: Cahokia Alluvium in river valley

High elevation: 1235 feet above mean sea level
      Place: Charles Mound
      7.5' quadrangle name: Shullsburg
      PLSS: 4-13-29N-2E
      Geology: Silurian limestone hill

Area: 613.63 square miles
      Total relief (approximate): 645 feet
      Average percent slope: 4.25%


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ILLINOIS STATE GEOLOGICAL SURVEY
INSTITUTE OF NATURAL RESOURCE SUSTAINABILITY     |    UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN

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Updated 5/4/2007 JKH