M332Dp Bridger Mountains and Foothills

Landscape Characteristics:

Mountains and foothills that formed in sedimentary and metasedimentary bedrock. Elevations range from 5000 to 9000 feet. Drainage density is moderate.

Climate:

Mean annual precipitation ranges from 25 to 80 inches, about 60 percent falling as snow. The soil temperature and moisture regimes are cryic and typic ustic.

Potential Vegetation:

Douglas-fir forest/Western spruce-fir forest/Foothills prairie

Relationships of Dominant Map Unit Components:

Landform Geology Soil Taxa
Mountainsides/ridges Sandstone/shale/limestone/volcanics/conglomerate Cryoborolls/Cryoboralfs/Cryochrepts
Foothills Sandstone/shale/limestone Cryoborolls/Cryoboralfs/Cryochrepts/Argiborolls

Disturbance and Land Use:

The primary natural disturbance is fire. Land use is predominantly timber harvest, mining, grazing, and recreational development.