Bloomfield soils have argillic horizons consisting of lamellae. Dickman soils have a mollic epipedon and do not have an argillic horizon. Gotham soils contain more sand in the control section. Well drained and moderately well drained. Surface runoff is slow or medium.
Permeability is moderately rapid in the solum and rapid in the underlying material.
Moderately well drained soils have a seasonal high water table at a depth of 4 to 6 feet. Billett soils commonly are used to grow corn and soybeans. Some areas are used for meadow or pasture. Native vegetation is mixed hardwood and prairie grasses. Lawrence County, Illinois, 1952.