APPENDIX. 133 
TABLE 21.—Hickories. 
Percentages of bark and sapwood. 
Diameter | Sap- 
of tree. Bark. | wood. 
Inches. | Per cent. | Per cent. 
6 7 73 
12 17 | 60 
18 15 | 48 
24 14 | 39 | 
30 13. | 35 | 
The used volumes above comprise about 48 per cent of the entire tree. Reduce 
to cords by dividing cubic feet by 90. 
