﻿Smithsonian 
  Report, 
  1927. 
  — 
  Fairchild 
  

  

  Plate 
  3 
  

  

  Cavern 
  Cascade, 
  Watkins 
  Glen 
  

  

  (Photograph 
  by 
  C. 
  A. 
  Payne) 
  

  

  