| General Soil Type: | El | Region: | E |
| Map Unit Description: | Soils of high terraces, plains and foothills; soils that have |
| dark-colored, humus-rich topsoils and developed in volcanic |
| ash that has been re-worked and re-deposited by wind and |
| water |
| Moisture Regime: | Xeric |
| Temperature Regime: | Mesic |
| Taxonomic Classification: | Humic Haploxerands, Pachic Melanoxerands, Andic |
| Xerumbrepts |
| Major Soil Series: | Cinebar-Newaukum-Mossyrock-Siouxon |