Ripon soils have a lithic contact within 40 inches. Sibley soils have mollic epipedons more than 24 inches thick. Elmont soils are deep to silty shale. The Dinsdale, Mendota and Ogle soils have thinner sola and have carbonates within a depth of 40 inches. The Proctor and Waupecan soils formed in loess over loamy outwash.
Waupecan soils contain coarse fragments and have carbonates in the control section.
The Wiota soil formed in silty alluvium. The Muscotah, Reading, Rossville, and Wabash soils are on flood plains below Gymer soils. Menoken soils are sandy and sit higher on the landscape. Morrill soils are on similar landscapes as Oska soils. Sharpsburg and Wymore occur on terrace treads above the Gymer soils.