Adams soils are somewhat excessively drained and are sandy. Colton soils are sandy-skeletal. Croghan, Madawaska, and Nicholville soils are moderately well drained and are in lower positions on the landscape. Naumburg soils are somewhat poorly and poorly drained, are sandy, and are in lower positions on the landscape. Salmon soils are coarse-silty.
Permeability is moderate in the solum and moderate or moderately rapid in the substratum.
Where these soils are used for cropland, silage corn, hay, and pasture are the main crops. Forest vegetation includes balsam fir, red spruce, eastern white pine, eastern hemlock, northern red oak, and paper birch. The series is of small extent. Grafton County, New Hampshire, 1935. The type location is moved from Grafton County NH to Coos County NH to better reflect the classification of the series as spodosols.