Pierre soils do not have visible salts within a depth of 20 inches. The Hisle, Kyle, Pierre and Wasa soils are on similar landscapes as the Winler soils. Swanboy and Twotop soils are on fans and flats below the Winler soils. Lismas soils are on steeper slopes above the Winler soils. Runoff is medium to very high depending on slope.
Permeability is very slow.
Native vegetation is mainly western wheatgrass and Montana wheatgrass. A few areas have green needlegrass included in the native vegetation. The series is of large extent. Butte County, South Dakota, 1970.