66 



THE PRINCIPLES OF HANDLING WOODLANDS 



FIG. 15. A Stand of Engelmann Spruce after a Selection Cutting-. 

 Arapahoe National Forest, Colorado. 



p IG 16. A Group of Balsam Firs Marked for Cutting in a Selection 

 Forest. Their Removal will Favor the more Valuable Spruce. Arapa- 

 hoe Natior.al Forest, Colorado 



