| General Soil Type: | L3 | Region: | L |
| Map Unit Description: | Coarse-silty loessial soils that formed under steppe or |
| shrub-steppe vegetation and have lime at a depth of 44-70 |
| inches; these soils have moderately-dark, humus-enriched |
| topsoils except where severely eroded |
| Moisture Regime: | Xeric |
| Temperature Regime: | Mesic |
| Taxonomic Classification: | Typic Haploxerolls, Calcic Argixerolls, Haploxerollic |
| Durixerolls |
| Major Soil Series: | Walla Walla-Bagdad-Endicott |