Lowest and Highest Points in Franklin County

Franklin County mapMap legend and scale
Low elevation: <350 feet above mean sea level
      Place: Big Muddy River
      7.5' quadrangle name: Herrin
      PLSS: 3-33-7S-1E
      Geology: Cahokia Alluvium and Equality
            Formation Carmi Member; lake bottom
            deposits


High elevation: >604 feet above mean sea level
      Place: Unnamed hilltop
      7.5' quadrangle name: Akin
      PLSS: 3-1-7S-4E
      Geology: Illinois Vandalia till upland over
            Pennsylvanian Bond Formation ridge


Area: 427.09 square miles
      Total relief (approximate): 254 feet
      Average percent slope: .85%



High/Low Home


Updated 05/25/2011 SLD

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