LIST OF ILLUSTRATIONS 



FIG. PAGE 



1. A Virgin Forest in Idaho Frontispiece 



2. In the California Redwoods 4 



3. The Devastating Effect of a Forest Fire in Minne- 



sota 11 



4. A Forest Destroyed by Fire in the Cascade Moun- 



tains of Washington 16 



5. A Virgin Forest of Douglas Fir, Cedar, and Hem- 



lock in Oregon 23 



6. A Forest of American White Pine in Germany 26 



7. Natural Arrangement of Crown Classes in an Even- 



aged Stand 29 



8. A Selection Stand. Spruce in the Mountains of Aus- 



tria 33 



9. An Even-aged Stand. Mature Beech in Germany.. 33 



10. Profile of an Ideal Selection Stand Before First 



Cutting 46 



11. Profile of an Ideal Selection Stand Twenty Years 



after Cutting 46 



12. Trees Designated for Cutting under the Selection 



System. Engelmann Spruce, Arapahoe National 

 Forest, Colorado 51 



13. After a Selection Cutting. Logs not yet Removed 



or Slash Disposed of. Missoula National For- 

 est, Montana 55 



14. Marking Axe 58 



15. A Stand of Engelmann Spruce after a Selection Cut- 



ting. Arapahoe National Forest, Colorado. ... 66 

 xvii 



