3> 
xa Be on 
Ay 
Thinning an overcrowded stand of young trees—Hiawatha National Forest, Mich. 
MucHu too small an area is under intensive 
timber management. Timber management 
has been largely confined to protection, 
planting, and silvicultural practices on sales 
areas. Wholesale efforts to make land 
fully productive have not as yet been 
attempted. 
56 ] 
