Mean annual precipitation averages 40 inches. Lew extremely stony silt loam - forested. Solum thickness ranges from 40 to 80 inches or more. Depth to bedrock is greater than 60 inches. Content of rock fragments ranges from 5 to 50 percent in the A horizon and from 35 to 70 percent or more in the B horizon and in the C horizon, where present.
Rock fragments consist of pebbles, channers, flags, and stones that are commonly greenstone.
The soil is very strongly acid through moderately acid throughout, unless limed. The A horizon has hue of 5YR through 10YR, value of 2 through 4, and chroma of 2 through 4. Where value is 2 or 3 and chroma is 2, the A horizon is less than 6 inches thick. It is silt loam or loam in the fine earth fraction. The BA or BE horizon, where present, has hue of 5YR through 10YR, value of 4 or 5, and chroma of 4 through 8.