﻿Plate 
  2 
  

  

  Cliff 
  on 
  Valcour 
  island, 
  Lake 
  Champlain, 
  showing 
  the 
  undercutting 
  by 
  

   frozen 
  spray 
  on 
  a 
  weak 
  stratum 
  of 
  thinly 
  laminated 
  limestones 
  overlain 
  by 
  

   more 
  compact 
  beds 
  

  

  