48 



A MILL SCALE STUDY OF WESTERN YELLOW PINE. 



10OO 



5OO 



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



DIAMETER BREASTHIGH INCHES 

 FIG. 34. Total of intermediate grades sawed from immature trees. 



400 



200 



i 



400 



200 



Low Grades Sawed From Immature Trees. 



18 22 26 30 34 38 42 



DIAMETER BREASTHIGH INCHES 



FIG. 35. Box 1". 



22 26 3O 34 38 



DIAMETER BREASTHIGH INCHES 



FIG. 36. Culls. 



42 



46 



