﻿Quart. 
  Journ. 
  Geol 
  Soc. 
  Vol 
  XXX. 
  PI. 
  X. 
  

  

  Surface, 
  of 
  Water 
  2?6Ft. 
  

  

  Surface 
  of 
  Whiter 
  238 
  Ft. 
  

  

  Surface 
  of 
  Water 
  331 
  Ft. 
  

  

  Surface, 
  or 
  WaUr 
  'S21 
  Ft 
  

  

  Surface 
  of 
  miter 
  3 
  96 
  Ft. 
  

  

  Fig. 
  21. 
  Jjcwehwater 
  

  

  Scale 
  7 
  inch 
  to 
  1 
  mile. 
  

  

  Jjdkes 
  with 
  their 
  svrmdings, 
  deptJisin 
  feet. 
  

  

  Mintern 
  Bros. 
  Lith. 
  

  

  