Tree Merchantability Classes (Dead) 



1. Salvable dead sawtimber trees . Dead, standing or down, sawtimber 

 trees of all species having a merchantable volume of 50 percent or 

 more of the total board-foot volume „ 



2. Salvable dead poletimber trees . Dead, standing or down, pole- 

 timber trees of all species with 50 percent or more of the cubic 

 volume merchantable. 



Tree-Size Classes 



1. Sawtimber trees . Trees 11.0 inches d.b.h. and larger with one or 

 more merchantable 1 6-foot sawlogs. 



2. Poletimber trees . Trees ranging from 5o0 through 10.9 inches d.b.h. 

 and trees in the 12-inch class that because of taper and form con- 

 tain only one 16-foot log and that log is now unmerchantable. 



3. Seedling and sapling trees . Trees smaller than 5.0 inches d.b.h. 



Miscellaneous Definitions 



1. Live sawtimber volume . Net volume in board feet, International 

 1/4-inch rule, of merchantable sawtimber trees. 



2. Growing stock volume . Net volume, in cubic feet, of merchantable 

 sawtimber trees, and merchantable poletimber trees from stump to 

 a minimum 4.0- inch top (of central stem) inside bark. 



3. Other material . Net volume, in cubic feet, of all live cull and 

 salvable dead trees of all species from stump to a minimum 40 0- 

 inch top (of central stem) inside bark, and limbs to a 4 . 0-inch 

 top diameter inside bark of all live cull and ncncull hardwood 

 trees. 



4. Live all-timber volume . Net volume, in cubic feet, of growing 

 stock, all live cull trees, and hardwood limbs. 



5. All-timber volume . Net volume in cubic feet of growing stock 

 and other material. 



6. Sawlog portion . Net volume, in cubic feet, of merchantable saw= 

 timber trees from stump to a merchantable sawlog top. Tops vary 

 by species and diameter class, ranging from 6.0 inches for small 

 trees up to 22.0 inches for very large rough trees. 



7. Upper stem portion . The net cubic-foot volume of merchantable 

 sawtimber trees from the merchantable sawlog top to 4.0 inches 

 inside bark. 



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