They formed in clayey sediments of the Pleistocene Age. These nearly level soils are on the Coast Prairie. Slopes range from 0 to 1 percent. The range in characteristics includes 50 percent or more of the pedon. Solum thickness is more than 80 inches.
Texture is clay or silty clay throughout.
Weighted average clay content of the control section is 45 to 60 percent. Undisturbed areas have gilgai microrelief with microknolls 4 to 15 inches above the microdepressions. Cracks remain open for less than 60 cumulative days in most years. Depth to slickensides and wedge shaped peds begin at a depth ranging from 10 to 24 inches. The A horizon has grayish colors with hue 10YR or 2.5Y, value of 4 or 5, and chroma 1 or 2.