| General Soil Type: | At6 | Region: | A |
| Map Unit Description: | Cool to cold stony, soils developed in volcanic ash over glacial |
| till on glaciated hills and valleys; many soils have pale, medial |
| topsoils |
| Moisture Regime: | Xeric |
| Temperature Regime: | Frigid to Cryic |
| Taxonomic Classification: | Andic Xerochrepts, Xeric Vitricryands, Vitrandic |
| Xerochrepts, Typic Vitrixerands, Xeric Haplocryands |
| Major Soil Series: | Aits-Newbell-Manley-Ahren-Smackout-Inkler-Thout |