﻿GKOI.OGICAI. 
  SUKVKY 
  of 
  l.OriSlANA, 
  Rr:i'()KT 
  iSyo 
  

  

  JC' 
  

  

  Contour 
  Map 
  of 
  the. 
  Salt 
  Deposit 
  of 
  Grande 
  CiUe. 
  

  

  By 
  a. 
  C. 
  Vi 
  

  

  