92 



A MILL SCALE STUDY OF WESTERN YELLOW PINE. 



200 



100 



18 



22 



26 3O 34 38 



DIAMETER BREASTHIGH INCHES 



FIG. 105. D. Select and Better, 1". 



46 



38 4O 42 44 



2O 22 24 26 28 3O 32 34 36 

 DIAMETER BREASTHIGH INCHES 



FIG. 106. Total of high grades sawed from butt logs of immature trees. 



a 



+ c' + d' = Av'. 



Intermediate Grades Sawed From Butt Logs of Immature Trees. 



200 



100 



22 26 30 34 38 



DIAMETER BREASTHIGH INCHES 



FIG. 107. No. 1 Common, 1". 



42 



46 



