This horizon has weak or moderate granular or subangular blocky structure. Reaction is strongly acid to slightly acid. Some pedons have thin E horizons. Horizons with both values and chroma of 3 or less moist are less than 3 inches thick. The horizon is loam, gravelly sandy loam, silt loam, gravelly fine sandy loam, gravelly silt loam or gravelly loam.
Reaction is strongly acid to slightly acid.
Some pedons have a BC horizon or a C horizon above the 2C horizon. It is very gravelly sand, very gravelly loamy coarse sand, extremely gravelly coarse sand or extremely gravelly sand. Thin layers of sandy loam or loamy sand are in some pedons. Rock fragments range from 35 to 90 percent by volume. Reaction is moderately acid through neutral.