i6 



LOGGING 



construction purposes. It is not in demand for interior finish 

 except in the vicinity of the region where it is manufactured. 



Lodgepole pine often occurs in dense pure stands in the 

 Sierras. At high elevations it is frequently associated with 

 Douglas fir, alpine fir {Abies lasiocarpa) and other firs. 



YIELD PER ACRE IN BOARD FEET, GALLATIN COUNTY, 

 MONTANA 1 



(Cutting to a diameter breast high of ii inches.) 



YIELD PER ACRE IN BOARD FEET, MEDICINE BOW 

 NATIONAL FOREST, WYOMINQi 



(Cutting to a diameter breast high of ir inches.) 



Type. 



Pine forest: 

 Quality I... 

 Quality II. 

 Quality III. 



Spruce forest. 



Lodgepole pine. 



Ties, 

 6 inches by 

 8 inches by 



8 feet. 



Number. 

 200 

 130 



Props. 



1 100 

 600 

 240 

 230 



Board feet. 

 3000 



Board feet. 

 1000 



Average for tract . 



108 



500 



From Forest Tables — Lodgepole Pine. Circular 126, U. S. Forest Servi 



1907, pp. 25-24. 



Lodgepole in pure stands ranges between 4000 and 30,000 feet 

 per acre, the average over large areas being about 8000 feet. 



The cut in 1910 was 26,634,000 board feet. 



The stumpage value on National Forests ranges from $1.50 to 

 $2.50 per thousand board feet. 



Western Spruce. — • The spruces of importance in the western 

 part of the United States are the Engelmann spruce {Picea 

 en^elmanni) and the Sitka spruce. 



