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Block faulted mountains that formed in monzonite and granodiorite. Alpine glaciation has altered the landscape. Elevations range from 6000 to 10900 feet. Drainage density is moderate.
Mean annual precipitation ranges from 20 to 30 inches, about 35 percent falling as snow. The soil temperature and moisture regimes are cryic and typic ustic.
Douglas-fir forest/Western spruce-fir forest/Alpine meadow and barren
Landform | Geology | Soil Taxa |
---|---|---|
Mountainsides/ridges | Till/granitics | Cryochrepts/Cryorthents/Cryoboralfs |
Cirquelands | Till/granitics | Cryochrepts |
The primary natural disturbance is fire. Land use is predominantly livestock grazing, timber harvest, and rural development.