Rock fragments range from 20 to 75 percent throughout the profile with the control section averaging more than 35 percent. The soils become moist in some or all parts between depths of 4 and 12 inches or to the lithic contact from about mid-October until late June and are dry throughout the rest of the year. The dark layers are thin or absent in some pedons or may extend into the upper 2 inches of the B horizon. Texture is sandy loam, loam or silt loam and is gravelly or very gravelly. Reaction is slightly through strongly acid.
Structure is weak or moderate subangular blocky.
Texture is silt loam, sandy loam or loam with a slight clay increase over the A horizon and is very or extremely gravelly. Base saturation ranges from about 40 to 60 percent. There are no other series in this family. The Deadwood soils are gently sloping to very steep on mountains at elevations of 3,000 to 6,000 feet. Slopes are 2 to 100 percent.