U.S. Forest Service 

 Research Paper INT-51 



1968 



NETVSL--A COMPUTER PROGRAM FOR CALCULATION OF 

 TREE VOLUMES WITH INTERIOR DEFECT 



Albert R . Stage 

 Richard C. Dodge 

 James E. Brickell 



INTERMOUNTAIN FOREST AND RANGE EXPERIMENT STATION 



Forest Service 

 U.S. Depaitment of Agriculture 

 Ogden, Utah 84401 

 Joseph F. Pechanec, Director 



