McGary and Markland soils have argillic horizons with more than 40 percent clay. Patton soils have mollic epipedons and cambic horizons with dominant low chroma colors. Wakeland soils have cambic horizons with dominant low chroma colors. Well or moderately well drained. Slow or medium runoff.
Permeability is moderate to moderately slow.
Some areas are subject to flooding. Largely in cultivated crops, principally corn, soybeans, small grains and hay or pasture. Native forest has oaks, hickory, and poplar as the dominant species. Extent is moderate.