Rock fragment content ranges from 1 to 10 percent. Reaction ranges from moderately acid to slightly alkaline. Some pedons do not have a Bt horizon. Some pedons have a BC or BCg horizon. The Cg or C horizon has hue of 2.5Y or 10YR, value of 4 or 5, and chroma of 1 to 8.
Texture is silty clay loam, clay loam, silt loam, or loam.
Rock fragment content ranges from 1 to 15 percent. Reaction is slightly alkaline or moderately alkaline and contains carbonates. The calcium carbonate equivalent ranges from 5 to 20 percent. This is the Trumbull series. Trumbull soils averages between 40 and 60 percent clay in the particle-size control section.