Fayette and Stronghurst soils have thinner or lighter colored surface layers. Muscatune, Osco, and Tama soils have mollic epipedons. Atterberry soils form a biosequence with Muscatune and Stronghurst soils. Somewhat poorly drained. Runoff is slow or medium.
Permeability is moderate.
Atterberry soils are mostly cultivated. Corn, soybeans, small grains, and meadow are the major crops. Some areas are used for pasture. Native vegetation was mixed prairie grass and hardwood trees. Extent is large.