Well drained to excessively drained. Surface runoff is medium and very rapid for slopes up to 60 percent. Permeability is moderate. A large percent of the acreage is in native range. A few areas are cropped to winter wheat and forage crops.
Native vegetation consists mainly of short, mid, and tall grasses.
Big bluestem, little bluestem, sideoats grama, blue grama, and hairy grama are the dominant grasses. This series is extensive. Harlan County, Nebraska, May 1970. These soils were formerly mapped as Colby soils.