Figure 3 illustrates the relationships between the Scribner Decimal G log 

 rule and the cubical contents of logs. The figure shows the number of 

 cubic feet per thousand board feet for 16-foot logs of different diameters „ 

 Small logs contain much more wood per thousand feet than large logs. 



200 



100 ; ; ? • : ; • ; ; 



8 12 16 20 24 28 32 36 40 

 Log diameter — Inches 



Figure 3« Relation of cubic volume to board feet log scale , 

 by log diameter j, based on Scribner Decimal C rule. 



