General Soil Type:

Mp

Region:

M

Map Unit Description:

Cindery-textured soils developed in deep, layered pumice and

volcanic ash; soils have low fertility and low water-holding

capacity; some are on unstable slopes

Moisture Regime:

Udic

Temperature Regime:

Cryic

Taxonomic Classification:

Alic Haplocryods, Andic Haplocryods, Typic Vitricryands,

Xeric Vitricryands

Major Soil Series:

Cattcreek-Vanson-Colter-Sinnice-Minniepeak-Goffpeak