﻿U. 
  S. 
  GEOLOGICAL 
  SURVEY 
  

  

  BULLETIN 
  NO. 
  322 
  PL. 
  XI 
  

  

  A. 
  DARK-COLORED 
  FOSSILIFEROUS 
  BREA 
  DEPOSIT 
  OVERLYING 
  MONTEREY 
  SHALE. 
  

  

  Graciosa 
  Ridge 
  at 
  Folsom 
  well 
  No. 
  3; 
  Pinal 
  camp 
  on 
  left 
  and 
  Santa 
  Maria 
  Valley 
  in 
  distance. 
  Looking 
  

  

  north. 
  Photograph 
  by 
  Ralph 
  Arnold. 
  

  

  B. 
  SADDLE 
  IN 
  MONTEREY, 
  FERNANDO, 
  AND 
  PLEISTOCENE 
  BEDS. 
  

  

  Graciosa 
  Ridge 
  at 
  Hartnell 
  well 
  No. 
  1, 
  near 
  Orcutt; 
  Pleistocene 
  on 
  left, 
  Fernando 
  (Pliocene) 
  in 
  

   upper 
  right, 
  Monterey 
  (Miocene) 
  in 
  saddle. 
  Looking 
  east. 
  Photograph 
  by 
  Ralph 
  Arnold. 
  

  

  