36 



A MILL SCALE STUDY OF WESTERN YELLOW PINE. 



Volume. 



Curves showing average values for total volume in board feet, also in cubic 

 feet, contained in merchantable portion of immature western yellow pine 

 trees of different diameters breasthigh. 



5OO 



18 2O 22 24 26 28 3O 32 34 3< 

 DIAMETER BREASTHIGH INCHES 



38 4O 42 



FIG. 8. Total volume in cubic feet inside bark from the stump to a height where 

 the tree is 6" in diameter outside the bark. 



