15 Area of commercial timberland by condition class, crown density, 32 

 and ownership group, Working Circle 3 (thousand acres) . 



16 Available animal unit months (AUM's) on commercial timberlands 34 

 by condition class, crown density, and ownership group. 



Working Circle 3. 



17 Potential animal unit months (AUM's) on commercial timberland 35 

 by crown density and ownership group. Working Circle 3. 



18 Net volume, gross growth, mortality, and net growth of growing 38 

 stock and sawtimber by softwood species on commercial timberland. 

 Working Circle 3 (thousand cubic feet, thousand board feet 

 Scribner) . 



19 Net volume, gross growth, mortality, and net growth of growing 40 

 stock on commercial timberland by diameter class for softwood 

 species. Working Circle 3 (thousand cubic feet) . 



20 Net volume, gross growth, mortality, and net growth of sawtimber 40 

 on commercial timberland by diameter class for softwood species, 

 Working Circle 3 (thousand board feet Scribner) . 



21 Net annual mortality of growing stock on commercial timberland 42 

 by species and cause of death. Working Circle 3 (thousand 



cubic feet) . 



22 Net annual mortality of sawtimber on commercial timberland by 42 

 species and cause of death. Working Circle 3 (thousand board 



feet Scribner) . 



23 Average potential productivity per acre by forest type for 45 

 commercial timberland. Working Circle 3 (cubic feet/acre) . 



24 Area of commercial timberland by stand size class and insect 45 

 and disease category. Working Circle 3 (thousand acres) . 



25 Area of commercial softwood timberland by stand age class and 48 

 ownership group, Working Circle 3 (thousand acres) . 



26 Area of commercial timberland by stand volume class and owner- 48 

 ship group. Working Circle 3 (thousand acres) . 



27 Area of commercial timberland by ownership group, stand size 51 

 class, and stocking percent class. Working Circle 3 (thousand 

 acres) . 



28 Area of commercial softwood timberland by ownership group, 58 

 stand size class, and timberland quality class. Working 



Circle 3 (thousand acres) . 



29 Treatment opportunity code definitions for Tables 30 and 31. 63 



