﻿PLATE 
  XXX 
  III.— 
  To 
  face 
  page 
  148. 
  

  

  N. 
  H. 
  Darton, 
  photo. 
  

  

  Trenton 
  Limestone. 
  Spencer 
  Fall, 
  Trenton 
  Falls. 
  Oneida 
  Co. 
  

  

  