Slopes range from 0 to 1 percent. Madaus muck, on a less than 1 percent slope in a cultivated field. Thickness of the organic surface layer ranges from 7 to 16 inches. Reaction ranges from slightly acid to moderately alkaline. The Lma horizon has hue of 10YR to 5Y, value of 4 to 8 and chroma of 1 to 4.
Reaction is slightly alkaline or moderately alkaline.
The 2Cg or 2C horizon has hue of 10YR, 5Y, or 2.5Y, value of 4 to 7 and chroma of 1 to 4. It is loamy sand, fine sand, sand, or coarse sand and their gravelly analogues. Rock fragment content ranges from 0 to 25 percent. Reaction is slightly alkaline or moderately alkaline. There are no series in the same family.