The mollic epipedon has distinct or prominent redox concentrations in the lower part. The A horizon has value of 4 or 5 dry and 2 or 3 moist. Reaction is neutral or slightly acid. The BAt, Btg, and 2Btg horizons have value of 4 or 5 dry and chroma commonly of 1 or 2 but ranges to 3 in the 2Btg. They are silty clay loam or clay loam.
Reaction is slightly acid to slightly alkaline.
The 2C horizon has value of 5 or 6 dry and chroma of 2 or 3. It is sandy clay loam, clay loam, or silty clay loam. Reaction is slightly acid to slightly alkaline. Bishop soils are poorly drained and have a mean annual temperature greater than 52 degrees F. Coland soils have colors with a chroma of 0 or 1 throughout and soil temperatures are colder in winter and warmer in summer. Comfrey, Delft, and Glencoe soils do not have a Btg horizon and are colder in winter and warmer in summer.