﻿PLATE 
  11. 
  

  

  :•--: 
  

  

  H 
  M— 
  I 
  I 
  

  

  lower 
  Gorge 
  at 
  Trenton 
  Falls, 
  in 
  the 
  Lower 
  Members 
  of 
  the 
  Trenton 
  Limestone. 
  

  

  