1600 



1400 



o 

 o 



IL. 



"S s 



l< 



CO >- 

 "5°- 



II 

 SO 



o d) 



Of 



.y "5 



■§> 



•c 

 « 



Q. 



1200 



1000 - 



800 



600 - 



90 120 150 180 210 240 



Total Basal Area Per Acre (Square Feet) 



Figure 3. Periodic Gr<»>> Aiitiuul Boarel-fm>l Volume Growth Expressed 



as a Function of Site Index and Basal Area Per Acre at Age 50 



and 70 Percent Basal Area in Sawtiniber 



270 



