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Marshall County


marshall county map Map legend and scale


Low elevation: <465 feet above mean sea level
      Place: Illinois River
      7.5' quadrangle name: Chillicothe
      PLSS: 3-32-29N-3W
      Geology: Cahokia Alluvium in river valley

High elevation: >895 feet above mean sea level
      Place: Unnamed hilltop
      7.5' quadrangle name: La Prairie Center
      PLSS: 4-32-13N-8E
      Geology: Providence Moraine

Area: 395.01 square miles
      Total relief (approximate): 430 feet
      Average percent slope: 1.47%


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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