﻿Plate 
  17 
  

  

  yuarr}- 
  in 
  the 
  upper 
  Pamelia 
  formation, 
  by 
  the 
  river 
  4 
  miles 
  west 
  of 
  

   Clayton; 
  alternating 
  beds 
  of 
  dove 
  limestone, 
  and 
  whitish, 
  earth}' 
  lime- 
  

   stone. 
  The 
  upper 
  view 
  is 
  a 
  somewhat 
  more 
  distant 
  one 
  showing 
  a 
  greater 
  

   thickness 
  of 
  the 
  upper 
  beds. 
  Photo 
  (upper) 
  by 
  H. 
  M, 
  Ami 
  and 
  (lower) 
  

   by 
  E. 
  O. 
  Ulrich, 
  1908 
  

  

  