3 . Other Federal ownership . Lands owned by the Federal Government not 

 classed as national forest or Indian. 



4o State ownership o Lands in state ownership. 



5. Private ownership . Lands in private ownership. 



a. Private farm ownership . Private commercial forest land in 

 farms ? using as the definition of "farm" the official defi- 

 nition in the latest Census of Agriculture. 



b. Other private ownership . Commercial forest land in private 

 ownership other than farm. 



Tree-Merchantability Classes (Live) 



1. Merchantable sawtimber trees . Live white pine sawtimber trees in 

 which the merchantable portion is 33 percent or more of the total 

 board-foot volume a live sawtimber trees of other species that are 

 at least 50 percent merchantable by board-foot volume. 



2. Cull sawtimber trees . Live white pine sawtimber trees in which the 

 unmerchantable portion exceeds 67 percent } and live sawtimber trees 

 of other species in which the deduction for cull exceeds 50 percent 

 of total board-foot volume. 



a. Sound cull sawtimber trees . Live sawtimber trees in 

 which the unmerchantable portion results from defect 

 other than rot| for example, sweep, frost crack s ex- 

 treme roughness 3 fire scar, etc. 



b. Rotten cull sawtimber trees . Live sawtimber trees in 

 which the unmerchantable portion results from decay 

 organisms . 



3* Merchan table poletimber trees . Live poletimber trees of all species 

 that are judged to be prospectively merchantable for sawlogs. 



4» Cull poletimber tree s. Live poletimber trees of all species that 

 are judged to be prospectively unmerchantable for sawlogs. 



a » Sound cull poletimber trees . Live poletimber trees 

 judged unmerchantable now or prospectively because of 

 defect other than rot. , . 



b„ Rotten cull poletimber trees . Live poletimber trees 



judged unmerchantable now or prospectively because of 

 rot o 



•34' 



