A MILL SCALE STUDY OF WESTERN YELLOW PINE. 



1000 



500 



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



DIAMETER BREASTHIGH INCHES 



FIG. 22. Total of high grades sawed from immature trees. 



a l) c d.= Av. 



Intermediate Grades Sawed From Immature Trees. 



DIAMETER BREASTHIGH INCHES 



FIG. 24. No. 2 Common, 1". 



