The climate is humid temperate. Mean annual temperature near the type location is 65 degrees F. and mean annual precipitaion is 56 inches. These are the Gore , McKamie , Eastwood , and Sacul series. All of these soils have a loamy A horizon overlying a clayey argillic horizon. In addition, Eastwood and Sacul soils formed on upland positions over shaley materials.
Most areas are in mixed hardwood and shortleaf pine woodland.
The series is of moderate extent.