332Ba Central Black Glaciated Plains

Landscape Characteristics:

Glacial lake plain formed in glacial lacustrine sediments. Elevations range from 650 to 985 feet. Drainage density is low.

Climate:

Mean annual precipitation ranges from 19 to 22 inches, about 40 percent falling as snow. The soil temperature and moisture regimes are frigid and udic.

Potential Vegetation:

Wheatgrass-bluestem-needlegrass

Relationships of Dominant Map Unit Components:

Landform Geology Soil Taxa
Lake plain Lacustrine sediments Argiborolls/Haploborolls/Haplaquolls

Disturbance and Land Use:

The primary natural disturbance is drought and insects. Land use is predominantly dryland farming.