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Fault block mountains that formed in Belt metasedimentary rocks. These mountains have been modified by alpine glaciation. Elevations range from 6800 to 10600 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 meadows and barren
Landform | Geology | Soil Taxa |
---|---|---|
Troughs/terraces/valley floors | Outwash/alluvium | Cryaquepts/Cryofibrists/Cryoborolls/Cryochrepts |
Mountainsides/ridges/moraines | Till/quartzite/argillite | Cryorthents/Cryochrepts/Cryoborolls/Cryoboralfs |
Cirquelands | Till/quartzite | Cryochrepts/Cryorthents |
The primary natural disturbance is fire. Land use is predominantly livestock grazing, mining, and timber harvest.