Hoven soils are in depressions. Gettys soils do not have a mollic epipedon and are on nearby steeper landscapes. Glenham soils are fine-loamy and the Oko soils contain more clay and have vertic characteristics. Gettys and Oko soils are on similar landscapes. Runoff is medium.
Permeability is moderately slow or slow.
Native vegetation consists mainly of western wheatgrass, green needlegrass, blue grama, sideoats grama, sedges, and forbs. Corn, small grain, and alfalfa are the main crops in the few cultivated areas. East-central South Dakota, east of the Missouri River. The series is of moderate extent. Hughes County, South Dakota, 1970.