DISTILLATION OF STUMPWOOD. 
9 
mill which submitted the samples was compelled to sell more than 
a million board feet of yellow-pine lumber at a loss, because of the 
amount of “ pitchy ” lumber in the butt logs. Inspection by one of the 
writers showed a large amount of this wood to be suitable for distil- 
lation. 
TABLE 6.—Average volume of western yellow pine and reduction factors for 
various volumes and diameters of trees and stumps (Idaho and Montana). 
Diameter. 
Reduc- 
tion, 
Breast breast | Stum 
- high. height high. 
to stump 
height 
Inches. Inches Inches 
22 2.0 24. 0 
23 2.0 25. 0 
24 2.0 26. 0 
25 2.0 27.0 
26 2.0 28. 0 
27 2.0 29. 0 
28 2.0 30. 0 
29 2: 5 31.5 
30 2.5 32.5 
31 255 33. 5 
32 2.5 34. 5 
33 205 35. 5 
34 3.0 387.5 
35 3. 0 38. 5 
36 3. 0 39. 0 
37 3. 0 40. 0 
38 3.0 41.0 
38. 5 3.5 42.0 
39 3.5 42.5 
40 3.5 43.5 
40.5 3.5 44.0 
42 3.5 45. 5 
1See also Figure 2. 
Average volume. 
Of tree. 
eS ee —E—ee 
Reduc- 
tion unit 
for 
different 
volumes 
Ofstump.| and 
diame- 
ters. 
Cords. 
0. 25 1.0 
EONS TOOT ay: 15 
mONoO Malmo DO 
OLGo a ae Diy 
iO ag Me 300), 
TIOCST SR ila wan S05.) 
POON les 4.0 
1.125 4,5 
Os aN 5.0 
ee BORE ater 6.0 
TaslE 7.—Cruise of 160 acres of western yellow pine in Boise County, Idaho (all 
Location. 
_TO6N, R 5E, sec. 8 NW NW 
T 7N, R 4H, sec. 35 SE NE. 
T7N,R 
T 7N, 
R 4, sec. 35 NE SE- 
Average, 4 forties 
4H, sec. 35 NE NE. 
trees calipered). 
Average diame- Num- q 
ter. Ber Stumpwood. 
Num- | stumps 
ber | peracre 
24-inch | equiva- 
stumps eas 
Breast |Stump |Peracte| base Per Per 
: F equiva-|on aver- j 
high. | high.! Tonite age acre. |Section. 
diame- 
ter. 
Inches. | Inches Cords. | Cords. 
25. 5 27.5 29.38 | 20.55 | 7.34 293. 6 
27.4 29. 4 30.29 | 16.83] 7.57 302. 8 
25. 5 27.5 27.73 | 19.40] 6.938 PRs 2 
26. 7 28.7 31.57 | 18.70] 7.89 315.6 
26.27 | 28.27 | 29.74) 19.12] 7.681 | 2 189.2 
1 From Table 6. 
2 Total number of cords of stumpwood for entire area. 
Eaquiv- 
alent 
used in 
reduc- 
tion. 
