96 



A MILL SCALE STUDY OF WESTERN YELLOW PINE. 



400 



J. 



_ 



: :^ v 



18 2O 22 24 26 28 3O 32 34 36 38 4O 42 44 



DIAMETER BREASTHIGH INCHES 

 FIG. 119. Total of intermediate grades sawed from butt logs of immature trees. 



' + /' + 9' + V + i' = Bv'. 



Low Grades Sawed From Butt Logs of Immature Trees. 



200 



100 



18 





22 



26 30 34 f 38 



DIAMETER BREASTHIGH INCHES 

 FIG. 120. Box 1". 



42 



46 



200 



100 



22 



26 30 34 38 



DIAMETER BREASTHIGH INCHES 



FIG. 121. Culls. 



42 



46 



