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M332Be Flint Creek/Upper Willow Creek Basins

Landscape Characteristics:

Structural basins and low relief uplands that formed in lacustrine deposits, alluvium, metasedimentary, and volcanic rocks. Elevations range from 4000 to 7000 feet. Drainage density is moderate. Wetlands are fairly common within the basins.

Climate:

Mean annual precipitation ranges from 11 to 20 inches, about 30 percent falling as snow. The soil temperature and moisture regimes are cryic and typic ustic. Frigid temperatures occur at lower elevations.

Potential Vegetation:

Douglas-fir forest/Foothills prairie

Relationships of Dominant Map Unit Components:

Landform Geology Soil Taxa
Basins/terraces/fans/floodplains Alluvium/colluvium Cryoborolls/Cryoboralfs/Argiborolls/Haploborolls
Uplands Quartzite/argillite/limestone Cryoboralfs/Cryochrepts/Haploborolls/Argiborolls

Disturbance and Land Use:

The primary natural disturbances are fire and flooding. Land use is predominantly mining, timber harvest, grazing, hay production, and suburban development.