Slopes range from 20 to 55 percent. Kurtz soils formed in residuum weathered from interbedded soft siltstone and shale bedrock. The moderately well drained Coolville, Rarden, and Stonehead soils are on less sloping shoulders and backslopes. The moderately deep, well drained Gilpin and somewhat excessively drained Gnawbone soils are on similar backslope positions as the Kurtz. Runoff is rapid or very rapid.
Permeability is moderate.
Most areas of Kurtz soils are in forest. Native vegetation consists of mixed hardwoods with oaks, hickory, beech, and tulip poplar the major species. The series is of moderate extent in MLRA 120. Jackson County, Indiana, 1985. The mottles in the control section are not considered to be redoximorphic features.