﻿Plate 
  4 
  

  

  American 
  and 
  Luna 
  falls 
  from 
  below, 
  with 
  limestone 
  fragments 
  fallen 
  from 
  the 
  

   cliff 
  above 
  (Copyright 
  by 
  Underwood 
  & 
  Underwood, 
  New 
  York) 
  

  

  