Bixler soils have strata of loam and silt loam in the Bt and 2C horizons. Branch soils have thicker argillic horizons and a thicker sola. Leola soils have sand in the lower part of the solum and substratum and do not have gravel in the pedon. Markton soils have loam 2B and 2C horizons. Rimer and Selfridge soils have clayey and loamy 2C horizons.
Riverdale soils are on outwash plains, lake plains, valley trains, deltas, and low beach ridges.
Slope gradients range from 0 to 6 percent. They formed in sandy glacial drift of Wisconsinan age. Gilford soils have mollic epipedons. Kingsville soils do not have rock fragments. Vestaburg soils have mollic epipedons and do not have argillic horizons.