﻿S. 
  Powers 
  — 
  The 
  Butler 
  Salt 
  Dome. 
  

  

  129 
  

  

  Topography. 
  

  

  Topographically 
  Butler 
  salt 
  dome 
  is 
  the 
  most 
  symmet- 
  

   rical 
  and 
  the 
  most 
  perfectly 
  developed 
  salt 
  dome 
  on 
  the 
  

  

  Fig. 
  1. 
  

   Map 
  or 
  The: 
  

  

  BUTLER 
  SALT 
  DONE 
  

  

  TE.XAS 
  

  

  Contour 
  Interval 
  - 
  10 
  Feet 
  

   Datum 
  assumed 
  Curb 
  Gin 
  Water 
  Well 
  300 
  Feet 
  

  

  "West 
  Point 
  

  

  TrinityRivei 
  ■ 
  

   Botfjom. 
  

  

  ^ 
  LEGEND 
  

  

  v__) 
  Center 
  of 
  Dome 
  

   y 
  Strike 
  and 
  Dip 
  

   F 
  Fossil 
  locality 
  

  

  -$- 
  Abandoned 
  Wells 
  

  

  Fig. 
  1. 
  Map 
  of 
  the 
  Butler 
  salt 
  dome, 
  Freestone 
  County, 
  Texas. 
  

   Iron 
  Mt. 
  should 
  read 
  Eocky 
  Mt. 
  

  

  Gulf 
  Coast. 
  A 
  saline 
  prairie 
  from 
  100 
  to 
  500 
  feet 
  in 
  

   width 
  completely 
  encircles 
  the 
  dome 
  which 
  is 
  about 
  8000 
  

   feet 
  in 
  diameter. 
  From 
  an 
  almost 
  imperceptible 
  divide 
  

  

  