﻿Plate 
  XXYT 
  . 
  

  

  Map 
  of 
  Trinidad 
  region 
  . 
  

  

  L/OTver 
  coal 
  hoHzon 
  . 
  

   Coed/- 
  openinffs. 
  

  

  Colorado 
  Group. 
  

  

  I 
  Zipper 
  cocci 
  hor'izon. 
  

  

  H^H 
  BccscdUc 
  Cap. 
  

  

  Sccde 
  of 
  miles. 
  

  

  AM. 
  PHOTO-LITHO. 
  CO. 
  NY. 
  (OSBORNE'S 
  PROCESS) 
  

  

  