A MILL SCALE STUDY OF WESTERN YELLOW PINE. 



18 



22 



26 



30 



DIAMETER BREASTHIGH INCHES 



FIG. 6. Curves showing average diameter inside bark at small end of last log used 

 from immature and mature western yellow pine trees of different diameters breast- 

 high. 



5.00 



iiiiiii 



18 



26 



30 



34 



38 



46 



DIAMETER BREASTHIGH INCHES 



t /*? V~**!HI* showin average values for twice thickness of bark at the top of 

 butt logs from mature western yellow pine trees of different diameters breasthigh. 



