The Bsm horizon has hue of 5YR or 7.5YR, value of 3 to 5, and chroma of 2 to 6. In some pedons the Bhsm occurs below the Bsm. Reaction is very strongly acid to moderately acid. The Bs horizon, when present, has hue of 7.5YR or 10YR, value of 3 to 5 and chroma of 4 to 8. Reaction ranges from very strongly acid to slightly acid.
Reaction ranges from strongly acid to slightly acid.
It ranges from strongly acid to slightly acid. There are no other series in this family. Wallace soils are on dunes, and outwash plains. Slopes range from 0 to 60 percent. The somewhat poorly drained Finch and poorly drained Spot and Roscommon soils are in lower landscape positions and form a drainage sequence with the Wallace soils.