Kelly and Watchung soils have more than 35 percent clay in the particle-size control section. Moderately well to somewhat poorly drained. Permeability is moderate in the A horizon, slow in the B horizon, and moderately slow to moderate in the C horizon. Runoff is slow on nearly level areas and medium to rapid on the sloping areas. Many areas are used for corn, small grains, soybeans and pasture.
Large areas are idle or in residential developments.
Native vegetation includes scrub hardwoods, mostly oaks, with some shortleaf pine and Virginia pine. The series is not extensive. Cecil County, Maryland, 1900. Aquic udalfs feature - the occurrence of clay films in the zone from 9 to 27 inches, mottles with chroma of 2 in the zone from 17 to 27 inches, and moderately to slightly acid reaction in the zone from 32 to 60 inches.