Table 29 
Slash Pine 
Volume in Board Feet 
International (4-inch) Rule 
[Total height] 
Total height in feet 
Diameter | 
breast high, 40 | 50 | 60 | 70 | 80 | 90 | 100 | Basis 
inches 
Volume in board feet 
x 
9s) 
d 
oy 
Basigh claus 1 16 37 | oA | 53 | 65 8 204 
One-eighth-inch saw kerf, l-inch boards. For 4-inch saw kerf deduct 9.5 per cent. 
Stump height 1 foot, top diameter inside bark 5 inches. Scaled in 16-foot log 
lengths, with 0.3-foot trimming allowance, and additional top section to a 5-inch top, 
Average deviation of individual tree volumes from tabular values, +13.3 per cent; 
aggregate difference, +0.18 per cent. 
Blockiindicates extent of observed data. 
47 
