OWNERSHIP CLASSES 



1. National forest ownership - Federal lands which , by executive 

 order or statute, have been designated as national forests, 

 purchase units, or experimental areas or have been placed under 

 the administration of the Forest Service, 



2. Indian ownership - Indian tribal lands and trust allotments. 

 Lands held in fee by the federal government but administered 

 and managed for Indian tribal groups, or allotted in trust to 

 individual Indians . 



3. Other federal ownership - Lands owned by the federal government 

 not classed as national forest or Indian. 



4» State ownership - Lands in state ownership. 



5. County and municipal ownership - Lands in county or municipal 

 ownership, 



6. Private ownership - Lands in private ownership. 



7. Private farm ownership - Private commercial forest land in farms, 

 using as the definition of farm the official definition in the 

 latest Census of Agriculture. 



8. Other private ownership - Commercial forest land in private 

 ownership other than farm. 



TREE-MERCHANTABILITY CLASSES (LIVE) 



1, Sound saw-timber trees - Live white pine saw-timber trees in which 

 the merchantable proportion is 40 percent or more of the total 

 board-foot volume; live saw-timber trees of other species that are 

 at least 50 percent merchantable by board-foot volume, 



2. Cull saw-timber trees - Live white pine trees in which the un- 

 merchantable proportion exceeds 60 percent and live trees of other 

 species in which the unsound portion exceeds 50 percent of total 

 board-foot volume , 



a, Sound cull saw-timber trees - Live trees in which the un- 

 merchantable portion results from defect other - than rot; for 

 example, sweep, frost crack, extreme roughness, fire scar, etc. 



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