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Mercer County


mercer county map Map legend and scale


Low elevation: <530 feet above mean sea level
      Place: Mississippi River
      7.5' quadrangle name: Keithsburg
      PLSS: 4-34-13N-5W
      Geology: Cahokia Alluvium in river valley

High elevation: >820 feet above mean sea level
      Place: Unnamed hilltop
      7.5' quadrangle name: Reynolds
      PLSS: 4-5-15N-2W
      Geology: Illinois Vandalia till member upland

Area: 562.12 square miles
      Total relief (approximate): 290 feet
      Average percent slope: 1.35%


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

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Updated 5/7/2007 JKH