Figure 1 1 . Current average basal area per acre for 

 softwoods by diameter class, MAI site 

 class 50 + , Working Circle 3. 



Current mean basal area per acre: 1 1 1 square teet 

 Mean stand age: approximately 94 years old 

 Mean potential productivity: approximately 61 ftVacre/year 

 Diameter of average basal area: 5.9 incties 



Diameter Class 



-55- 



