They formed in coastal plain fluvial and deltaic deposits of gravel, sand and clay. Slopes range from 0 to 40 percent. Mean annual temperature is 54 degrees F., and mean annual precipitation is 40 inches. Prince Georges County, Maryland, one-half mile south of Cheltenham. The thickness of the solum ranges from 40 to 120 inches.
Soil reaction ranges from very strongly acid to moderately acid in unlimed areas.
The A horizon has hue of 10YR or 2.5Y, value of 3 to 4 and chroma of 1 to 4. Texture of fine earth fraction is loam, sandy loam or loamy sand. The E horizon has hue of 10YR or 2.5Y, value of 4 to 7 and chroma of 2 to 4. Fine earth texture is sandy loam, loam or loamy sand. The Bt horizon has hue of 10YR to 5YR, value of 4 to 6 and chroma of 4 to 8.