The Bt part is silt loam or silty clay loam, and the EB part is silt loam. It averages 20 to 30 percent clay and 10 to 18 percent sand. Reaction ranges from extremely acid to strongly acid. Reaction ranges from extremely acid to strongly acid. Less commonly pedons have hue of 10YR, value of 6 and chroma of 2.
Reaction ranges from strongly acid to neutral.
These are the Chalfont , Gudgel , Haubstadt , Lawrence , Penlaw , Potawatomi , Robbs , Sciotoville and Shakamak soils. The Chalfont, Gudgel, Lawrence, Penlaw, Robbs, and Sciotoville soils are less than 80 inches to the base of the argillic horizon. Potawatomi soils have a subhorizon that averages more than 10 percent rock fragments in the lower part of the series control section. Shakamak soils average less than 10 percent sand in the upper one-third of the series control section. Nabb soils are on summits, shoulders and backslopes of loess-covered till plains.