o 



o 



^< 

 u >- 



_ <i> 



O 



q 



a> 



a. 



O 



E 

 o 



> 



300 



200 



150 



100- 



90 



120 150 180 210 240 270 



Total Basal Area Per Acre (Square Feet) 



Figure 1. Prrunlic (;ro»^ Annual Culiir-foot Volume GpohiH 

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



