Marlow soils have a dense substratum. Houghtonville soils have a thicker spodic horizon. Lyman soils are shallow. The very deep, moderately well drained Peru and Sunapee soils are in slightly lower positions on the landscape, and Peru soils have a dense substratum. The moderately deep Rawsonville soils are on similar landscapes as the Tunbridge soil and have a thicker spodic horizon.
Permeability is moderate or moderately rapid.
Most areas are wooded. The common trees are American beech, white ash, yellow birch, paper birch, northern red oak, sugar maple, eastern white pine, hemlock, red spruce, white spruce, and balsam fir. A few areas have been cleared and are primarily used for hay and pasture. Some cleared areas are used for cultivated crops. The series is extensive.