General Soil Type:

Go7

Region:

G

Map Unit Description:

Soils developed under fern-prairie vegetation; most with

dark-colored, humus-rich topsoils; some of the soils contain

amorphous materials and have properties typically associated

with weathered volcanic ash

Moisture Regime:

Xeric

Temperature Regime:

Mesic

Taxonomic Classification:

Typic Melanoxerands, Vitrandic Xerumbrepts, Pachic

Melanoxerands

Major Soil Series:

Spanaway-Nisqually-Spana