Mean annual temperature is about 56 degrees F., and mean annual precipitation is about 64 inches near the type location. Slope ranges from 0 to 5 percent. Depth to bedrock is greater than 5 feet. Rock fragment content ranges from 5 to 50 percent by volume in the A horizon and from 5 to 80 percent by volume throughout the C horizon. Rock fragment content averages more than 35 percent by volume in the control section.
Fragments are dominantly gravel and cobbles but occasionally include stones.
Reaction is very strongly acid to neutral. Content of mica flakes ranges from few to many. The A or Ap horizon has hue of 10YR, value of 3 to 5, and chroma of 1 to 6. Surfaces having value of 3 and chroma of 1 to 3 are less than 7 inches thick. Texture of the fine-earth fraction is loamy sand, sandy loam or sand.