49 



chantable volume is expressed entirely as cordwood; and 

 second, a table containing only the trees of over 7 inches 

 diameter, where the merchantable volume is expressed in 

 board feet and additional cordwood. There is a third yield 

 table for inferior hardwoods. By the term "inferior hard- 

 woods" is meant stands composed principally of gray birch, 

 red maple and poplar. Naturally the amount of saw timber 

 to be obtained from such weed species is small. 



