160 



THE I'RlKtTl'LKS OF HANDLING WOODLANDS 



Fig. 33. Just before the Removal of the Last Trees under the Shelter- 

 wood System. \'otin^ Growth has been Secured o\'er the ^^'hole 

 Area. Austria. 



Fig. 34. -After the First Work in an Open Irrejjular Stand. The Cut- 

 tings Followed the Principles of the Shelterwood System. Western 

 Yellow Pine. Black Hills National F'orest, South Dakota. 



