FOR TOP LOGS. 



119 



Value of Grades Sawed From Top Logs of Mature Trees of Different 

 Diameters Breasthigh, Expressed in Dollars and Cents. 



20 22 24 26 28 3O 



FIG. 191. Intermediate grades. 



.022^" + .018/V' 



2.00 



1.50 



1.00 



18 



2O 22 24 26 28 3O 32 34 35 38 4O 42 

 DIAMETER BREASTHIGH INCHES 



FIG. 192. Low grades. 



.009.7/' + .007k," + 015g/' = Cval,". 



Aval," + BvalS' + Cval^" = #/' = Value per top log. 



