Some pedons have a BC, BCg, BCt, or BCtg horizon. The Cg or C horizon has hue of 10YR, 2.5Y, or 5Y, value of 4 to 6, and chroma of 1 to 4. It is clay loam or silty clay loam. Clay content is 27 to 38 percent. Rock fragment content ranges from 1 to 15 percent.
Reaction is slightly alkaline or moderately alkaline.
These are the Calamine , Kokomo , Lippincott , Millsdale , and Tanglenook series. Calamine and Millsdale soils have a lithic or paralithic contact within a depth of 60 inches. Kokomo and Lippincott soils have less than 27 percent clay in the lower part of the series control section. Tanglenook soils have a mollic epipedon 24 to 36 inches thick. The Pewamo soils formed in till on moraines and lake plains.