Higginsville soils have 2 chroma mottles within 6 inches below the mollic epipedon and are on side slopes below Wakenda soils. Knox soils do not have a mollic epipedon and are on narrower ridgetops and steeper side slopes below Wakenda soils. Sharpsburg soils are in the fine textural family and are on similar landscapes. Runoff is medium. Permeability is moderate.
Native vegetation is tall prairie grasses.
It is of moderate extent.