Fountainville soils have a lithic contact at depths of 40 to 60 inches. Grantsburg soils have a lower base saturation in the series control section. Lawrenceville and Zanesville soils have a lithic contact in the series control section. Omulga and Otwell soils have average more than 28 percent clay in some subhorizon within the lower part of the series control section. Sadler soils have a glossic horizon in the series control section.
Hosmer soils are commonly on summits, shoulders, and backslopes of loess hills.
The slope gradient is commonly 2 to 12 percent, bur ranges from 0 to 30 percent. The mean annual precipitation ranges from 35 to 46 inches. The well drained Alford soils are on summits, shoulders, and backslopes of loess hills. The somewhat poorly drained Iva soils are on nearly level flats. The moderately well drained, more permeable Muren soils are on summits and shoulders.