Slopes range from 0 to 1 percent. Westland silt loam on a 1 percent concave slope in a cultivated field. The depth to the base of the mollic epipedon is 10 to 20 inches. Depth to the base of the argillic horizon is 30 to 55 inches, and the depth to the base of soil development is 40 to 60 inches. The particle-size control section averages 24 to 35 percent clay.
Reaction is slightly acid or neutral.
The upper part is loam, clay loam, or silty clay loam. Rock fragment content ranges from 0 to 5 percent pebbles, by volume. The lower part is loam, clay loam, sandy clay loam or their gravelly analogues. Rock fragment content averages from 1 to 15 percent pebbles, by volume. Reaction is slightly acid or neutral.