Reaction ranges from neutral to moderately alkaline and carbonates are commonly present. The 2C horizon has hue of 10YR or 2.5Y, value of 4 to 6, and chroma of 3 to 6. It is dominantly loam but is clay loam in the upper part of some pedons. Clay content ranges from 15 to 30 percent, silt content ranges from 40 to 50 percent, and sand content rages from 20 to 45 percent. Content of rock fragments ranges from 1 to 15 percent.
Reaction is slightly alkaline or moderately alkaline and carbonates are present.
Assumption soils average more than 30 percent clay in the lower part of the series control section. Aviston soils have less then 20 percent sand in the lower part of the series control section. Barrington, Blackberry, and Clare soils are stratified in the lower half of the series control section with textures containing more than 40 percent sand. Buckhart soils have less than 7 percent sand throughout the series control section. Catlin and Harrison soils are deeper than 40 inches to horizons containing more than 20 percent sand.