154 THE WOODSMAN'S HANDBOOK. 



WESTERN TREES.a 



TABLE 41. Douglas Fir. 



Volume in board feet by the Scribner Rulep Idaho and Wyoming. 



a Measurements by P. G. Redington on the Shoshone National Forest, Wyoming, 

 1905, and J. G. Peters on the Targhee (formerly Henrys Lake) National Forest, 

 Idaho, 1906. 



6 Like western yellow pine, the Rocky Mountain form of Douglas fir shows 

 larger volumes for the same diameter and height than the coast form. 



