Equations: 



-58- 



CUBIC AND BOARD FOOT VOLUME EQUATIONS 



BASED ON TOTAL HEIGHT 



(Honer 1967) 

 (INT. 1/4-inch Rule) 



D = diameter at breast height 



H = total height in feet 



GCVL = gross cubic foot volume 



MCVL = merchantable cubic foot volume 



MBVL = merchantable board foot volume 



STH = stump height 



CTOP = cubic foot merchantable top diameter 



BTOP = board foot merchantable top diameter 



GCVL = ° 



H 



X = 



,_CTOPJ_, 



H + STH 



H 



MCVL = 



[b + b, X + b. X J • GCVL 

 o i i. 



Y = 



P BTOP , p H + STH , 



MBVL 



[c + c- Y + c„ Y^] • GCVL 

 o i / 



where 



For the species composition of each group see page 32. 



