It is silty clay loam or silt loam. Clay content is 20 to 32 percent. Reaction is neutral or slightly alkaline. It typically is silt loam, but is silty clay loam in the upper part in some pedons. Clay content is 18 to 30 percent.
Reaction is neutral to moderately alkaline.
Chalmers, Chetomba, Drummer, Elpaso, and Pella soils contain more than 7 percent sand in the lower part of the series control section. Hartsburg soils contain carbonates at a depth between 16 and 40 inches. Madelia, Sable, and Wacousta soils have a mean annual soil temperature less than 56 degrees F. Patton soils have the depth to the base of soil development at less than 48 inches. Mascoutah soils are on or nearly level or depressional parts of broad interfluves on till plains. Slope ranges from 0 to 2 percent.