﻿32 
  WORKING 
  PLAN 
  FOR 
  FOREST 
  LANDS 
  NEAR 
  PINE 
  BLUFF, 
  ARK. 
  

  

  AGE 
  — 
  YEARS. 
  

  

  Fig! 
  7.— 
  Diagram 
  showing 
  the 
  merchantable 
  contents 
  in 
  board 
  feet 
  of 
  Shortleaf 
  and 
  Loblolly 
  Pine 
  on 
  

   the 
  basis 
  of 
  age. 
  (Contents 
  by 
  Doyle's 
  Rule. 
  ) 
  

  

  