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. 



Average volume. 



Reduc- 

 tion unit 



for 

 different 

 volumes 



and 

 diame- 

 ters. 



Breast 

 high. 



Reduc- 

 tion, 

 breast 

 height 

 to stump 

 height. 



Stump 

 high.i 



Of tree. 



Of stump. 



Inches. 

 22 

 23 

 24 

 25 

 26 

 27 

 28 

 29 

 30 

 31 

 32 

 33 

 34 

 35 

 36 

 37 

 38 

 38.5 

 39 

 40 



40.5 

 42 



Inches. 

 2.0 

 2.0 

 2.0 

 2.0 

 2.0 

 2.0 

 2.0 

 2.5 

 2.5 

 2.5 

 2.5 

 2.5 

 3.0 

 3.0 

 3.0 

 3.0 

 3.0 

 3.5 

 3.5 

 3.5 

 3.5 

 3.5 



Inches. 

 24.0 

 25.0 

 26.0 

 27.0 

 28.0 

 29.0 

 30.0 

 31.5 

 32.5 

 33.5 

 34.5 

 35.5 

 37.5 

 38.5 

 39.0 

 40.0 

 41.0 

 42.0 

 42.5 

 43.5 

 44.0 

 45.5 



Bd.ft. 



500 



550 



600 



675 



750 



850 



1,000 



1,150 



1,250 



1,375 



1,500 



1,625 



1,750 



1,875 



2,000 



2,250 



2,400 



2,500 



2,600 



2,700 



2,850 



3,000 



Cords. 

 0.25 



1.0 











0.375 



1.5 



0.50 



2.0 



0.625 



2.5 



0.75 



3.0 



0.875 



3.5 



1.00 

 1.125 



4.0 

 4.5 



1.25 



5.0 











1.50 



6.0 



1 See also Figure 2. 



Table 7. — Cruise of 160 acres of western yellow pine in Boise County, Idaho (all 



trees calipered). 





Aver- 

 age 



stand 

 per 



acre. 



Average diame- 

 ter. 



Num- 

 ber 

 24-inch 

 stumps 

 per acre 

 equiva- 

 lent. 



Num- 

 ber 

 stumps 

 per acre 

 equiva- 

 lent, 

 based 

 on aver- 

 age 

 diame- 

 ter. 



Stumpwood. 





Location. 



Breast 

 high. 



Stump 

 high.i 



Per 

 acre. 



Per 

 section. 



Eauiv- 

 alent 

 used in 

 reduc- 

 tion. 



T6N, R 5E, sec. 8NW NW 



Bd.ft. 

 14, 693 

 15,144 

 13, 866 

 15, 783 



Inches. 

 25.5 

 27.4 

 25.5 

 26.7 



Inches. 

 27. 5 

 29.4 

 27.5 

 28.7 



29.38 

 30.29 

 27.73 

 31.57 



20.55 

 16.83 

 19.40 

 18.70 



Cords. 

 7.34 

 7.57 

 6.93 

 . 7.89 



Cords. 

 293.6 

 302.8 

 277.2 

 315.6 



Bd.ft. 

 715 



T 7N, R 4E, sec. 35 SE NE 



900 



T 7N, R 4E, sec. 35 NE NE 



715 



T 7N, R 4E, sec. 35 NE SE 



800 







8 ' 



14, 896 



26.27 



28.27 



29.74 



19.12 



7.681 



2 189. 2 



782.5 









i From Table 6. 



2 Total number of cords of stumpwood for entire area. 



