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FiGURt IS -About 2 million acres of aspen (and paper birch) growing on spruce-fir land has an undcrstory of balsam fir, indicating 



a trend toward natural conversion. 





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1910 1920 1930 1940 "950 



Figure \^~Trend in forest-land ownership, 1910-50. 



Federal arencies, States, and counties contain less 

 than a proportionate share of sa^\■-timber and pole- 

 timl)er stands (fig. 20, table 9). 



1 he difierent classes of owners have a ^vide \ariety 

 of aims in forest land management. Among the 

 forest industries, some want to grow pulpwood, 

 some sawlogs, some veneer l)olts. Farmers often try 



100 



MISCELLANEOUS 

 PRIVATE 



ALL COMMERCIAL 

 FOREST AREAS 



MISC 

 PRIVATE 



MISC. 

 PRIVATE 



SAW- AND SEEDLING, 



POLE- SAPLING, AND 



TIMBER DEFORESTED 



AREAS AREAS 



FifiURi 20.— Di-,'isinii of commercial forest area nmotici; oivncr 

 '^rnufys. Public agencies have relatively less mrrch/nilahle 

 limber, more ciit-ox>cr laud. 



I'uresl Resource Report No. I, U. S. Deporhueul oj Agriciillurc 



