The soils are usually moist and they are dry for less than 45 consecutive days in all parts between depths of 4 and 12 inches. F. The depth to bedrock and thickness of the solum is most commonly 40 to 44 inches and ranges from 40 to 60 or more inches. The solum is strongly or very strongly acid. Fragments of rock and concretions of 1 to 2 mm. The Bw horizon has value of 3 or 4 moist, and chroma of 4 through 6.
Texture is silty clay loam that ranges to a heavy silt loam.
The Bw1 and Bw2 horizons have a coarse fragment content similar to the A horizon. These are the Bohannon , Kinney , and Preacher soils. Bohannon soils are 20 to 30 inches deep to sandstone. Kinney and Preacher soils have hue of 10YR or 7.5YR in the control section. The Hembre soils are on smooth convex ridgetops and strongly sloping to very steep side slopes of mountains at elevations of 200 to 2,800 feet in the Coast Range.