﻿PLATE 
  LI.— 
  To 
  face 
  page 
  152. 
  

  

  1 
  

  

  i 
  Upper 
  

   J. 
  Clinton 
  

   I 
  green 
  

   i 
  shale. 
  

  

  ^ 
  Lower 
  

   i 
  Clinton 
  

   I 
  limestone. 
  

  

  J 
  

  

  (. 
  Iron 
  ore. 
  

   -i 
  Green 
  

   ! 
  Clinton 
  

   I 
  shale. 
  

   \ 
  Grey 
  

   Medina. 
  

  

  f-Red 
  , 
  

   |i 
  Medina. 
  

  

  Webster 
  & 
  Albee, 
  photo. 
  

  

  Gorge 
  of 
  the 
  Genesee 
  River, 
  Monroe 
  Co., 
  Below 
  the 
  Lower 
  Falls. 
  Medina 
  

  

  AND 
  Clinton 
  Groups. 
  

  

  