Corwin soils have an argillic horizon and are on gently sloping areas. Montmorenci soils lack mollic epipedons and are on gently sloping areas. Odell soils have an argillic horizon and are on nearby higher topographic positions. Rensselaer soils are in similar positions and have an argillic horizon. Very poorly drained.
Surface runoff is very slow or ponded.
Permeability is moderate. A small part is used for oats, sorghum, or permanent pasture. Native vegetation was prairie grass. The series is of moderate extent. White County, Indiana, 1979.