Mean annual temperature is 53 degrees F, and mean annual precipitation is 35 inches. The solum thickness ranges from 48 to 60 inches or more. Percent clay in the particle size control section averages from 35 to 50 percent. At least one subhorizon has greater than 40 percent clay. The E horizon has color value of 4 or 5 and chroma of 1 to 3.
Texture is silt loam or silty clay loam.
Reaction is very strongly acid to neutral. The upper part of the Bt horizon has hue of 7.5YR or 10YR, value or 4 or 5 and chroma of 3 or 4. There are Fe depletions with chroma of 2 or less in the upper 10 inches of the argillic horizon. It is silty clay loam or silty clay. Reaction is very strongly acid to moderately acid in the upper part and very strongly acid to neutral in the lower part.