The Btg horizons have hue of 10YR or 2.5Y, value of 5 or 6, and chroma of 1 or 2. They are gravelly sandy loam, gravelly loam, gravelly clay loam, gravelly sandy clay loam, sandy loam, or loam. Clay content of the upper argillic horizon ranges from 15 to 25 percent and the clay content of the lower argillic horizon ranges from 27 to 35 percent. A 2Btg horizon is in some pedons. Gravel content in the Btg horizons ranges from 5 to 35 percent in any one subhorizon, but averages 15 to 35 percent.
Reaction ranges from slightly acid to slightly alkaline.
It is loam, clay loam or silty clay loam. Gravel content ranges from 0 to 5 percent. Reaction is slightly alkaline or moderately alkaline. These are the Barry , Brookston , Buntingville , Clackamas , Cordova , Hamel , Jameston , Marengo , Millgrove , Navan , Rensselaer , and Westland series. Barry soils contain less than 27 percent clay in the lower part of the argillic horizon.