44 ABSAROKA DIVISION OP YELLOWSTONE FOBEST KESEKVE. 



Hvmus.—ln. the unburned forest, especially in the bottoms of West Boulder 

 Valley, a layer of moss 6 to 8 inches deep forms the humus. In the drier situations 

 this layer is only an inch or two in depth. 



Classifieation of lands in T. 4 S., R. 11 E. 



Acres. 



Forested .' 10,240 



Nonf orested 12, 800 



Badly burned 2,400 



Logged. , : 1,800 



Agricultural . . , - None. ' 



■ Grazing -- 4,500 



Bare rocks. , 5,100 



Ponds and streams 800 



Total stand of timber in T. 4 S., H. 11 E. 



Species. 



Mill timber. 



Pole and fuel 

 timber. 



Total volume of 

 all timber. 



Lodgepole pine 



White-bark pine. . . 



Red fir 



Subalpine fir 



Engelmann spruce . 



Total. 



Feet B. ::. 

 10, 000, 000 



12,-000, 000 



40, 000, 000 



Oubicfeet. 



14, 000, 000 

 3, 000, 000 

 6, 000, 000 

 3, 000, 000 

 5, 000, 000 



31,000,000 



Cubic feel. 



15, 800, 000 

 3, 000, 000 

 9, 240, 000 

 3, 000, 000 

 7, 160, 000 



38, 200, 000 



Composition of forest in T. 4 S., JR. 11 E,, including trees of all species with basal diameters of S inches 



and upward. 



Per cent. 

 Lodgepole pine 40 



White-bark pine 2. 2 



Red fir 35 



Subalpine fir ,. 2 



Engelmann spruce f 20 



Aspen and Cottonwood 8 



Township 4 South, Range 12 East. 



Topography. — The western and central areas of the township consist of high, 

 rocky spurs stretching eastward from the so-called West Boulder Plateau. They 

 attain elevations of 10,000 feet and end with steep, bowlder-strewn fronts on the 

 valley of Boulder River, which cuts through the eastern part of the township. The 

 bottoms of this valley, one-fourth mile or less in width, consist of two or three 

 low terraces. The valley is hemmed in on the west and east by steep, cliff-lined 



