﻿GNEISS 
  

  

  CRYSTALLINE 
  ANORTHOSITE 
  

  

  GABBRO 
  

  

  CAMBRIAN 
  LOWER 
  SILURIAN 
  GLACIAL 
  

  

  ESSS3 
  ^^3 
  ^ 
  ^^ 
  s*s^ 
  mmm 
  

  

  LIMESTONE 
  POTSDAM 
  S 
  A 
  ND 
  

  

  " 
  AND 
  BLACK 
  SCHISTS 
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  C 
  A 
  LE 
  OF" 
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  LES 
  

  

  1 
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  i 
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  3c*LCir. 
  L 
  - 
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  • 
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  V, 
  I 
  

   1™«°" 
  GRAVELS 
  ETC 
  

  

  GNEISS 
  CRYSTALLINE 
  ANORTHOSlTE 
  

  

  ESSSS3 
  ^§£^3 
  &&S8& 
  

  

  LIMESTONE 
  

   AND 
  BLACK 
  SCHISTS 
  

  

  POTSDAM 
  SAND 
  

   SCALE 
  Or 
  MILES 
  

  

  — 
  — 
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