These soils have formed in stratified fluvial sediments derived principally from weathered igneous and metamorphic rocks. Chewacla, Congaree, Riverview, and Wehadkee soils are on floodplains. Fork and Chewacla soils are somewhat poorly drained. Hiwassee and Turbeville soils have more than 35 percent clay in the particle-size control section. Roanoke soils are clayey and poorly drained.
Permeability is moderate in the subsoil and moderately rapid to rapid in the substratum.
Most of this soil is cultivated, and the remainder is used for pasture and forest. Crops include corn, small grain, cotton, soybeans, alfalfa, peanuts, tobacco, and truck crops. Forested areas are in mixed hardwoods and pines. The series is of moderate extent. The Ap horizon from 0 to 9 inches.