The 2C horizon has colors similar to the 2Bt horizon. It is loam. Clay content ranges from 20 to 27 percent and sand content ranges from 25 to 45 percent. Silt content is less than 50 percent. Gravel content is less than 15 percent.
Reaction is slightly alkaline or moderately alkaline.
These are the Assumption , Aviston , Barrington , Blackberry , Buckhart , Catlin , Clare , Dana , Danabrook , Geryune , Graymont , Harrison , Keltner , and Totanang soils. Assumption, Aviston, Blackberry, Buckhart, Catlin, Clare, Dana, Harrison, and Totanang soils have argillic horizons that extend to depths greater than 40 inches. Barrington soils have subhorizons in the lower part of the series control section that have more than 45 percent sand. Danabrook and Geryune soils have less than 20 percent clay in the lower part of the series control section. Graymont soils average less than 20 percent sand and more than 50 percent silt in the lower part of the series control section.