Nonforest land 



Land that has never supported forests and lands formerly forested where 

 use for timber management is precluded by development for other uses. 

 It includes areas used for crops, improved pasture, residential areas, 

 city parks, improved roads of any width and adjoining clearings, power- 

 line clearings of any width and 1 to 40 acres of water classified by the 

 Bureau of the Census as land. If intermingled in forest areas, unim- 

 proved roads and nonforest strips must be more than 120 feet wide, and 

 clearings, etc., more than 1 acre in size to qualify as nonforest land. 



Nonsalvable dead 



Dead trees 5.0 inches d.b.h. and larger, standing and down, and less 

 than 50 percent sound on a cubic-foot basis. 



Firm rotten: Tree is less than 50 percent sound on a cubic-foot basis. 

 More than half the total volume loss is due to rot and less than half is 

 due to such defects as excessive sweep and crook. Tree or potential 

 product sections are firm enough to hold together if handled. 



Crumbly rotten: Tree is less than 50 percent sound on a cubic-foot 

 basis. More than half the total volume loss is due to rot and less than 

 half is due to such defects as excessive sweep and crook. Tree or 

 potential product sections will not hold together if handled. 



Nonstockable 



Areas of forest land not capable of supporting seedlings of commercial 

 species because of the presence of rock, water, roads, etc. 



Nonstocked land 



Commercial forest land less than 16.7 percent stocked with growing stock 

 trees . 



Normal basal area 



The basal area at which all growing space is effectively occupied but 

 having ample room for development of the crop trees. 



Old-growth sawtimber stands 



Sawtimber stands in which 50 percent or more of the area is occupied by 

 old-growth sawtimber trees. 



Other forest land 



See noncommercial forest land 



Other private ownership group 



The ownership group that consists of land owned bv farmers, ranchers, 

 miscellaneous private corporations, and miscellaneous private individuals. 



Other private corporate 



Land owned by corporations not in the forest industry. 



Other private individual 



Lands smaller than 40 acres owned by individuals. 



■172- 



