GROUND-WOOD PULP. 37 
The region in which the different species grow is shown on the 
maps, figures 23 to 44. Table 1 gives source of shipments tested. 
Information concerning the amount of each kind of timber available 
Fic. 23.—Balsam fir (Abies balsamea). 
and other facts relating to the stand and supply will be furnished by 
the Forest Service upon. request. 
RESULTS OF GRINDING TESTS. 
On the whole, very little difficulty was encountered in producing 
pulp from the woods tested. With the conifers, at least, grinding 
could be done under practically the same conditions employed for 
