FOR BUTT LOGS. 



101 



200 



100 



22 



26 30 34 38 



DIAMETER BREASTHIGH INCHES 



FIG. 136. 4" x 4" and Larger. 



42 



46 



300 



200 



18 22 26 30 34 38 



DIAMETER BREASTHIGH INCHES 



FIG. 137. 2" x 4" and Wider, No. 1 Dim. 



42 



400 



26 28 30 32 34 36 

 DIAMETER BREASTHIGH INCHES 



FIG. 138. Total of low grades sawed from butt logs from mature trees. 



A' + V + V + m/ + n/ + o ' + p/ + g/ = Cv '. 



' + Co?! 7 = A x ', lumber actually sawed out at mill. Curve 



NOTE. AVI' + 

 shown in Fig. 98 



I' is 



