116 



A MILL SCALE STUDY OF WESTERN YELLOW PINE. 



100 



50 



18 22 26 30 34 38 



DIAMETER BREASTHIGH INCHES 



FIG. 183. 4" x 4" and Larger. 



42 



I 1 



100 



50 



18 22 26 30 34 38 



DIAMETER BREASTHIGH INCHES 



FIG. 184. 2" x 4" and Wider, No. 1 Dim. 



42 



2OO 



150 



100 



18 20 22 24 



26 28 30 32 34 36 38 4O 42 

 DIAMETER BREASTHIGH INCHES 



FIG. 185. Total of low grades sawed from top logs of immature trees. 



m 



-f g" = 



