134 



TIMBER TRENDS IN THE UNITED STATES 



DISTRIBUTION OF TIMBER CUT IN THE EAST BY SIZE CLASS 



Hardwoods 



5.0 

 to 

 9.0 



Afl 



Softwoods 



40 





isnitnh:-: 



i 1l|lljil962 



»2000 







•£SSS!«'SSt*I 













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20 



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9.0 

 to 



15.0 



15.0 



to 



19.0 



Diameter (inches) 



iii ^ 



190 



5.0 

 to 

 9.0 



::£■:•: 

 !I^■*"-■ 



9.0 



to 



15.0 





15.0 

 to 

 19.0 



in 



19.0 



Diameter (inches) 



Figure 60 



Thus to meet projected timber demands, in- 

 creased reliance must be placed on smaller trees — 

 as well as on less desirable species for which 

 current markets are scarce or nonexistent. 



For industries dependent upon wood fiber, the 

 timber supply outlook is relatively favorable in 

 spite of the changes taking place in stand structure 

 and composition. The situation with regard to 

 sawmills and plywood plants is much less satis- 

 factory in view of the size and quality of timber 



prospectively available, and the resulting prob- 

 lems of increasing costs and markets. 



Improved Technology 

 a Critical Factor 



The importance of changes in timber size and 

 quality is difficult to appraise precisely in view of 

 the technological progress already made in uti- 



DISTRIBUTION OF TIMBER CUT IN THE WEST, BY SIZE CLASS 



45 



S 30 



NATIONAL FOREST 



^1962 mm 2000 



OTHER OWNERSHIPS 



5.0 

 to 

 9.0 



Diameter (inches 



5.0 



9.0 



19.0 



to 



to 



to 



9.0 



19.0 



29.0 





Diameter 



(inches 



Figure 61 



