These are the Carver , Hooksan , Tarr , and Tint series. Related soils are the Plainbo and Twinmound series. None of these soils except Plainbo and Twinmound have a paralithic contact within 60 inches. Plainbo soils have 10 percent or more weatherable minerals in the particle-size control section. Twinmound soils are frigid.
Boone soils are on hills in bedrock controlled uplands.
Slopes range from 0 to 70 percent. Mean annual precipitation ranges from 28 to 33 inches. The frost free period ranges from about 135 to 160 days. Elevation ranges from 700 to 1400 feet. These are the Council , Elevasil , Gale , Hixton , and Tarr soils.