Reaction ranges from moderately acid to neutral. It is silt loam or silty clay loam and averages less than 30 percent clay. Reaction is slightly acid to moderately alkaline and contains carbonates in some pedons. It is silt or silt loam. Clay content ranges from 20 to 27 percent.
Reaction is slightly alkaline or moderately alkaline.
These are the Ashdale , Broadwell , Dinsdale , Douglas , Elmont , Healing , Lycurgus , Malcolm , Meadowbank , Mendota , Ogle , Osco , Plano , Proctor , Richwood , Ripon , Sibley , Sidell , Tama , Tecumseh , Toddville , Wakenda , Waupecan , and Wiota series. Ashdale and Ripon soils have limestone bedrock within a depth of 5 feet. Broadwell, Dinsdale, Meadowbank, Mendota, Ogle, Plano, Proctor, Richwood, Sidell, Tecumseh, Toddville and Waupecan soils have more than 8 percent sand in the lower part of the series control section. Douglas, Healing, Lycurgus, Malcolm, Osco, Tama, Wakenda, and Wiota soils do not have carbonates within a depth of 40 inches. Elmont soils have a paralithic contact at depths of 40 to 60 inches in weathered shale.