They formed in unconsolidated sandy fluvial sediments. Slope ranges from 0 to 50 percent. Mean annual temperature is 55 degrees F., and mean annual precipitation is 40 inches. The thickness of the solum ranges from 24 to 48 inches, but the maximum depth to the lower limit of the argillic horizon is less than 40 inches. Some pedons have up to 10 percent rounded pebbles or fine black concretions in the C horizon.
Soil reaction is strongly acid to extremely acid in unlimed areas.
The A horizon has hue of 10YR or 7.5YR, value of 3 or 4 and chroma of 1 to 4. Texture is fine sandy loam, loam or sandy clay loam. The E horizon has hue of 10YR or 7.5YR, value of 4 to 5 and chroma of 4 to 6. Texture is fine sandy loam, loam, or sandy clay loam. The Bt horizon has hue of 2.5YR or 10R, value of 3 to 5 and chroma of 4 to 8.