The 2Bt horizon has hue of 7.5YR or 10YR, value of 4 to 6, and chroma of 3 to 6. It is stratified. Reaction ranges from strongly acid to slightly acid. The 3BC and 3C horizons have hue of 7.5YR, or 10YR, value of 3 to 7, and chroma of 3 to 8. These horizons are stratified.
Reaction ranges from strongly acid to slightly acid.
Delton and Seward soils have 35 percent or more clay in the lower part of the argillic horizon. Metea, Okee, Ormas, and Rohrbeck soils have free carbonates in the lower part of the series control section. Puchyan soils have more than 50 percent silt with 12 to 20 percent clay in the middle or lower part of the series control section, or in both. Prissel soils are on treads and risers of valley trains. Slopes range from 0 to 60 percent.