Lud soils have fine textured argillic horizons. Udaho soils are loamy-skeletal. Weash soils have ashy mineralogy. Ackett and Weash soils occur on lower terraces. Lud soils occur on higher terraces.
Udaho soils occur on sideslopes.
Chuska soils are used for rangeland and irrigated cropland. The native vegetation is Wyoming big sagebrush, basin big sagebrush, bluebunch wheatgrass, Thurber needlegrass and Indian ricegrass. The principal crops grown are wheat, barley and alfalfa hay. This series is of moderate extent. The competing series section has not been updated.