MILL OVER-RUN. 



125 



18 



20 22 



26 28 30 32 34 36 

 DIAMETER BREASTHIGH INCHES 



FIG. 201. Curves showing "mill over-run" for mature trees of different diameters 

 breasthigh. A t = Volume in board feet actually sawed out at mill. Asj. = Volume in 

 board feet as shown by the Spaulding Log Rule. Oj.=:"Mill over-run" = A x Asi. 



20 22 



FIG. 202.- 



24 26 28 30 32 34 36 38 4O 42 

 DIAMETER BREASTHIGH INCHES 



Jurve showing per cent of "mill over-run" for mature trees. 



100 (A t AsJ __ 100 Q! _ 



