128 



A MILL SCALE STUDY OF WESTERN YELLOW PINE. 



70 



6O 



Z 5O 



18 2O 22 24 26, 23 3O 32 34 36 38 4O 42 44 



FIG. 207. A comparison of per cent "over-run" for butt logs and whole trees, of 

 immature western yellow pine. 



18 20 22 24 26 28 3O 32 34 36 

 DIAMETER BREASTHIGH INCHES 



40 42 



FIG. 208. A comparison of per cent "over-run" for butt logs and whole trees, of 

 mature western yellow pine. 



