90 



A MILL SCALE STUDY OF WESTERN YELLOW PINE. 



Curves showing average volume in board feet of each grade actually "sawed 

 out" at mill, from 16' butt logs of immature western yellow pine trees of 

 different diameters breasthigh. 



High Grades Sawed From Butt Logs of Immature Trees. 



400 



300 



200 



100 



18 22 26 30 34 38 



DIAMETER BREASTHIGH INCHES 



FIG. 99. C. and Better, 6/4". 



42 



200 



100 



18 22 26 30 34 38 



DIAMETER BREASTHIGH INCHES 



FIG. 100. Moulding Stock. 



42 



300 



200 



100 



18 



22 



26 30 34 36 



DIAMETER BREASTHIGH INCHES 



FIG. 101. No. 1 Shop, 6/4". 



42 



