DISTILLATION OF STUMPWOOD. 3 
region to determine the stand or number of rich resinous stumps and 
the practicability of profitable distillation must be left to those in 
Fic. 1.—Geographic distribution of Pinus ponderosa. 
the various regions who plan to enter the field of wood-distillation 
from a commercial standpoint. Such a survey, however, should al- 
ways be made before undertaking distillation in any section. 
