Solum thickness ranges from 60 to more than 80 inches. The soil is medium or slightly acid. Rock fragments range from 0 to 5 percent in horizons above the Bt3 and 0 to 35 percent in the Bt3 horizon and below. The A horizon has hue of 10YR, value of 3, and chroma of 1 to 3, or hue of 7.5YR, value of 3, and chroma of 2. The BA horizon, where present, has hue of 10YR or 7.5YR, value of 4 or 5, and chroma of 4.
Texture is silt loam or silty clay loam.
The Bt horizon has hue of 10YR, value of 4 or 5, and chroma of 3 or 4, or hue of 7.5YR or 5YR, value of 4, and chroma of 4. Mottles are in shades of yellow, brown, or gray in the Bt3 horizon. Texture of the Bt1 and Bt2 horizons is silt loam or silty clay loam. Texture of the fine earth in the Bt3 horizon is silt loam, silty clay loam, or clay loam. These are the Ashdale , Elkhart , Elmont , Malcolm , Meadowbank , Ogle , Osco , Plano , Proctor , Toddville , and Waupecan series.