QUALITY III 













Stem with Bark. 











Diameter 



of 

 average 

 tree. 



Inches. 













Age. 



]Sruiiiber 

 of trees. 



Basal Area 

 breast- 

 bigb. 



Sq. ft. 



Average 

 height. 



Feet. 



Volume. 

 Cu. ft. 



1 Current 

 annual 

 incre- 



Cu. ft.' 



Mean 

 aunual 

 incre- 



Cu.ft.' 



Form 

 factor. 



30 



1,478 



68.0 



2.9 



15.0 



850 



28.3 



28.3 



.833 



40 



951 



87.5 



4.1 



22.5 



1,300 



45.0 



32.5 



.660 



50 



686 



105.0 



5.3 



30.0 



1,800 



50.0 



36.0 



.571 



60 



542 



121.0 



6.4 



36.25 



2,300 



50.0 



38.3 



.524 



70 



435 



133.5 



7.5 



42.0 



2,800 



50.0 



40.0 



.499 



80 



372 



144.0 



8.5 



47.0 



3,275 



47.5 



40.9 



.484 



90 



310 



152.5 



9.5 



51.5 



3,725 



45.0 



41.4 



.474 



100 



270 



159.5 



10.4 



55.75 



4,150 



42.5 



41.5 



.466 



110 



241 



164.5 



11.2 



59.5 



4,550 



40.0 



41.4 



.465 



120 



214 



168.0 



12.0 



63.0 



4,925 



37.5 



41.0 



.465 



130 



193 



170.0 



12.7 



66.25 



5,275 



35.5 



40.6 



.468 



140 



176 



171.0 



13.35 



69.5 



5,625 



35.5 



40.2 



.473 



150 



161 



172.0 



14.0 



72.0 



5,950 



32.5 



39.6 



.480 



160 



147 



172.0 



14.6 



74.5 



6,250 



30.0 



39.1 



.488 



170 



137 



172.0 



15.15 



77.0 



6,500 



25.0 



38.2 



.491 



180 



128 



172.0 



15.7 



79.0 



6,725 



22.5 



37.3 



.495 



190 



120 



172.0 



16.2 



81.0 



6,950 



22.5 



36.6 



.499 



200 



113 



172.0 



16.65 



82.5 



7,150 



20.0 





.504 



210 



108 



172.0 



17.05 



84.0 



7,325 



17.5 



34.9 



.507 



220 



104 



172.0 



17.45 



85.5 



7,500 



17.5 



34.1 



.510 



230 



99 



172.0 



17.85 



86.75 



7,650 



15.0 



33.3 



.513 



240 



95 



172.0 



18.2 



87.75 



7,800 



15.0 



32.5 



.518 



250 



92 



172.0 



18.5 



88.5 



7,925 



12.5 



31.7 



.521 



84 



