Bx horizons range from 6 to 24 inches in thickness. They have hues, values and chromas similar to those of the B2t horizons. Textures are light silty clay loam, silt loam, or light clay loam. Clay films occur primarily on the vertical ped faces and are thin to medium, patchy or very patchy, with hues of 10YR and 7.5YR, values of 4 and 5, and chromas of 3 through 6. B3 horizons have 2.5YR and 5YR to 10YR hues, values of 4 and 5, and chromas of 4 through 6.
Texture is silty clay or clay.
The C horizon has hues of 10YR through 2.5YR, values of 5 or 6, and chromas of 1 through 6. Textures range from sandy clay loam to loam. These are the Aldino , Allensville, Ava , Cincinnati , Grantsburg , Hosmer , Lawrenceville , Mercer , Nicholson , Otwell , Rainsboro , and Zanesville series. The Aldino, Cincinnati, Hosmer, Otwell, and Rainsboro soils lack the fine-textured B3 horizon in residuum from limestone below the fragipan. The Lawrenceville soils are medium to strongly acid throughout, lack both the till and clayey residuum from limestone components.