56 degrees F, and the frost-free season ranges from 130 to 170 days. These are the Nyala , Papoose , Stumble and Tippipah soils. B2t horizons and durinodes in their C horizons. Stumble soils have sandy control sections. B2t horizons and duripans.
Vegetation consists mainly of fourwing saltbush, Indian ricegrass, galleta, graymolly and winterfat.
The soil is moderately extensive. The zone from 10 to 40 inches.