82 



ABSAEOKA DIVISION OF YELLOWSTONE FOEEST EESBEVE. 



few tarns and lakelets, but abounds in springs and rivulets. Snow lies on the high 

 northern slopes throughout the summer. 



Snow and rooh slides. — Near the crests of the mountains avalanches are common. 



Towns and settlements. — None. 



Fwest conditions. — The forest consists of thin subalpine stands of white-bark 

 pine and spruce at the higher and the middle elevations. In the canyon of Hell 

 Roaring Creek the forest is mostljj^ made up of old-growth stands of lodgepole 

 pine mixed w.ith spruce. 



Gutting. — None. 



Burns. — None. 



Reproduction. — Reproduction is generally deficient in the subalpine stands. 

 The lodgepole-pine stands in the lower portions of the canyons are mostly 

 stocked too close for any further additions. 



Undergrowth. — Light. 



Litter. — The subalpine forest contains very little litter. In the lodgepole- 

 pine stands it is abundant, and is composed of trees killed by overcrowding. 



Humus. — None. 



> Classification of lands in T. 7 8., R. 11 E. 



Acres. 



Forested 10, 040 



Nonforested ".. 13,000 



Badly burned / - None. 



Logged None. 



Agricultural None. 



Grazing and alpine -' - - - 10, 000 



Bare rocks ' - - - 3, 000 



Total stand of timber in T. 7 S., R. 11 E. 



Species. 



Mill timber. 



Pole and fuel 

 timber. 



Total stand of all 

 timber. 



Lodgepole pine 



White-bark pine. . . 



Subalpine fir 



Engelmann spruce . 



Total 



Feet B. M. 

 6, 600, 000 



4, 000, 000 



10, 600, 000 



Cubicfeet. 

 9, 000, 000 

 1, 200, 000 

 2, 700, 000 

 3, 500, 000 



16, 400, 000 



Ovbiefeel. 

 10, 188, 000 



1, 200, 000 



2, 700, 000 

 4, 220, 000 



18, 308, 000 



Composition of fcn-est in T. 7 S., R. 11 E., including trees of all species vrith basal diameters of S indhes 



and upward. 



Per cent. 

 Lodgepole pine 58 



White-bark pine 4 



Subalpine fir 8 



Engelmann spruce 30 



