Sidon soils have interbedded siltstone, shale, and sandstone at a depth ranging from 40 to 60 inches. Bourne and Locust soils have mixed mineralogy and a strong brown to yellowish brown Bt horizon. Irvington soils are yellowish brown in color, have double clay mixima, and have more than 5 percent plinthite within 60 inches of the surface. Leadvale and Paden soils have less than 15 percent sand coarser than very fine sand in the Bt horizon. In addition, Paden soils have double clay mixima.
Prentiss soils have a coarse-loamy control section.
Providence soils have a fine-silty control section and have base saturation of more than 35 percent. Ruston and Smithdale soils do not have a fragipan. The Ora soils are on nearly level to strongly sloping terraces and uplands with slopes ranging from 0 to 12 percent. The soil formed in loamy marine and fluvatile deposits on the Southern Coastal Plain. The climate is warm and humid.