Slopes range from 0 to 15 percent. The soils formed in materials weathered from serpentine and overlying silt man- tle. The mean annual temperature is about 52 to 57 degrees F., and the mean annual precipitation is about 40 inches. Moderately well drained. Runoff is slow to moderate.
Permeability is slow.
Seasonally there is a perched water table above the fragipan. Most areas are used for general crops, pastures and residential developments. Native vegetation is black oak, red oak, white oak, yellow poplar, and Virginia pine. The series is of moderate extent. Harford County, Maryland, 1927.