THE SHELTERWOOD SYSTEM 



139 



FIG. 30. Reproduction of a Stand by the Shelterwood System. The 

 Sheltering Trees will be Removed in the Next Ten Years. Black 

 Forest, Germany. 



FIG. 31. Primitive Application of the Shelterwood System, after the First 

 Cutting. Lodgepole Pine. Big Horn National Forest, Wyoming. 



