106 



A MILL SCALE STUDY OP WESTERN YELLOW PINE. 



FOR TOP LOGS. 



Volume. 



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

 out" at mill, from top logs of immature western yellow pine trees of 

 different diameters breasthigh. 



High Grades Sawed From Top Logs of Immature Trees. 



3 



so 



-H4 



- I! J =S III Ml ::T:ff:"ff:::":: 



J; MU; | ; jj! j j.u \ I i U II I Ul I I U I II L II '11 I ML 



16 22 26 30 34 38 



DIAMETER BREASTHIGH INCHES 



FIG. 151. C. and Better, 6/4". 



42 



100 



22 



26 30 34 38 



DIAMETER BREASTHIGH INCHES 



FIG. 152. Moulding Stock. 



42 



too 



5O 



22 26 30 34 38 



DIAMETER BREASTHIGH INCHES 



FIG. 153. No. 1 Shop, 6/4", 



42 



46 



