Cordeston soils have a mollic epipedon more than 16 inches thick and are on the lower parts of the landscape. The Gurney soils are on higher parts of the landscape. The Hilger soils are skeletal and are on the outer margins of terraces. The Paunsaugunt soils are shallow to bedrock and are on higher convex parts of the landscape. The Sawdust and Vanocker soils are skeletal and are on timbered ridges and side slopes.
Permeability is moderate and runoff is medium.
Native vegetation is western wheatgrass, junegrass, green needlegrass, blue grama, needleandthread, and sedges. The series is of moderate extent. Custer County, South Dakota, 1985.