Surface runoff is slow on nearly level landscapes and medium on more sloping areas. Permeability is moderate. Winter wheat, alfalfa, corn, grain sorghum, and oats are the main crops. Native grasses are mainly western wheatgrass, needleandthread, green needlegrass, big bluestem, and blue grama. Mainly in central and south-central South Dakota east of the Missouri River.
Highmore soils are extensive.
Hughes County, South Dakota, 1970.