| General Soil Type: | Cb | Region: | C |
| Map Unit Description: | Basalt-derived soils on foothills and uplands |
| Moisture Regime: | Xeric |
| Temperature Regime: | Mesic to Frigid |
| Taxonomic Classification: | Xeric Palehumults, Vitrandic Haploxeralfs |
| Major Soil Series: | Olympic-Wilkeson |