Runoff is slow on nearly level areas and moderately rapid to rapid on the sloping areas. Permeability is slow or very slow. There is a perched water table above the fragipan from about November to April. Many areas are used for general crops, tobacco, and some pasture. Large areas are in residential developments.
Native vegetation includes black oak, white oak, pin oak, sweetgum, red maple, and loblolly pine.
The series is of large extent. Prince Georges County, Maryland, 1939.