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Block faulted mountains that formed in a variety of igneous, sedimentary, and metasedimentary rocks. Elevations range from 5300 to 10200 feet. Drainage density is moderate to high.
Mean annual precipitation ranges from 10 to 30 inches, about 15 percent falling as snow. The soil temperature and moisture regimes are cryic and typic ustic.
Douglas-fir forest/Foothills prairie/Alpine meadows and barren
Landform | Geology | Soil Taxa |
---|---|---|
Mountain slopes/foothills | Gneiss/limestone/granite | Cryoboralfs/Cryoborolls/Cryochrepts |
Alpine ridges/plateaus/cirquelands | Gneiss/schist/granite | Cryorthents/Cryochrepts |
The primary natural disturbances are fire and mass wasting. Land use is predominantly livestock grazing, mining, timber harvest, and recreational use and development.