General Soil Type:

Agt

Region:

A

Map Unit Description:

Cold to cool soils developed in volcanic ash over granitic

rocks or glacial till on glaciated mountain slopes; these soils

have medial topsoils except on south slopes

Moisture Regime:

Xeric

Temperature Regime:

Cryic to Frigid

Taxonomic Classification:

Andic Cryochrepts, Xeric Vitricryands, Lithic Cryoborolls,

Typic Cryoborolls

Major Soil Series:

Prouty-Manley-Rock Outcrop