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Block faulted mountains that formed in granite, gneiss, and a variety of sedimentary and metasedimentary rocks. Elevations range from 5500 to 10200 feet. Drainage density is moderate to high.
Mean annual precipitation ranges from 15 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/Sagebrush steppe
Landform | Geology | Soil Taxa |
---|---|---|
Mountainsides | Granite/gneiss/argillite | Cryoborolls/Cryochrepts/Cryoboralfs |
Cirquelands | Granite/gneiss/talus | Cryochrepts |
The primary natural disturbance is fire. Land use is predominantly livestock grazing, timber harvest, and mining.