﻿

  GNEISS'. 
  CRYSTALLINE 
  AN0RTH0S1TE 
  GA8BRO 
  CAMBRIAN 
  LOWER 
  SILURIAN 
  CLACIAL 
  

  

  kwww^ 
  ^^s 
  fe^^t 
  mK*& 
  wsmm. 
  ^g?^ 
  ehzisd 
  

  

  LIMESTONE' 
  ,., 
  ••■'" 
  POTSDAM 
  SAND 
  L— 
  I 
  ut.ca 
  GRAVELS 
  ETC 
  

  

  AND 
  BLACK 
  SCHISTS 
  SCALE 
  OF' 
  MILES 
  

  

  CNEISS 
  CRYSTALLINE 
  ANORTHOSlTE 
  

  

  2SSS3 
  f^55S3 
  ^fi^ 
  

  

  LIMESTONE 
  

   AND 
  BLACK 
  SCHISTS 
  

  

  { 
  ■ 
  ■ 
  ■■ 
  ! 
  

  

  GABBRO 
  

  

  POTSDAM 
  SAND 
  

   SCALE 
  OF 
  MILES 
  

  

  CAMBRIAN 
  LOWER 
  SILURIAN 
  CLACIAL 
  

  

  ^7" 
  GRAVELS 
  ETC 
  

  

  