Buncombe Series

\<@33\>\<i\>*Depth class:*\<p\> Very deep

\<@33\>\<i\>*Drainage class:*\<p\> Excessively drained

\<@33\>\<i\>*Permeability:*\<p\> Rapid

\<@33\>\<i\>*Parent material:*\<p\> Sandy alluvial sediments

\<@33\>\<i\>*Landscape:*\<p\> Coastal Plain

\<@33\>\<i\>*Landform:*\<p\> Natural levees

\<@33\>\<i\>*Landform position:*\<p\> Convex slopes

\<@33\>\<i\>*Slope:*\<p\> 0 to 5 percent

\<@33\>\<i\>*Taxonomic class:*\<p\> Mixed, thermic Typic Udipsamments

\<@27\>Commonly Associated Soils

-   \<@29\>Annemaine soils, which are in low terrace positions, have a
    clayey subsoil, and are moderately well drained

-   \<@29\>Bigbee soils, which are in the slightly higher positions and
    are typically directly adjacent to drains

-   \<@29\>Cahaba and Kolomoki soils, which are in the higher terrace
    positions and have a fine-loamy and clayey subsoil, respectively

-   \<@29\>Riverview soils, which are in the lower positions, have a
    fine-loamy subsoil, and are well drained

\<@27\>Typical Pedon

\<@30\>Buncombe loamy sand; from the Official Series Description for the
typical pedon located in Catawba County, North Carolina; USGS
topographic quadrangle and latitude and longitude unavailable.

\<@23\>Ap---0 to 10 inches; brown (10YR 5/3) loamy sand; weak fine
granular structure; loose; many fine fibrous roots; few fine flakes of
mica; slightly acid; abrupt smooth boundary.

\<@33\>Bw1---10 to 13 inches; light brown (7.5YR 6/4) sand; single
grained; loose; few fine and medium roots; few medium flakes of mica;
moderately acid; abrupt smooth boundary.

\<@33\>Bw2---13 to 16 inches; reddish yellow (7.5YR 6/6) loamy fine
sand; single grained; loose; few fine and medium roots; few medium
flakes of mica; moderately acid; clear wavy boundary.

\<@33\>Bw3---16 to 55 inches; brown (7.5YR 5/4) sand; single grained;
loose; few medium flakes of mica; moderately acid; gradual smooth
boundary.

\<@33\>C---55 to 72 inches; reddish brown (5YR 5/4) sandy loam; massive;
few medium flakes of mica; few fine and medium strong brown (7.5YR 5/6)
and yellowish brown (10YR 5/6) masses of iron accumulation; very
friable; moderately acid.

\<@27\>Range in Characteristics

\<@33\>\<i\>*Thickness of the solum:*\<p\> 40 to 60 inches

\<@33\>\<i\>*Content and size of rock fragments:*\<p\> Layers of gravel
in some pedons in the substratum below a depth of 40 inches

\<@33\>\<i\>*Content of plinthite:*\<p\> None

\<@33\>\<i\>*Reaction:*\<p\> Very strongly acid to slightly acid
throughout

\<@23\>\<i\>*A or Ap horizon:*\<p\>

\<@31\>Color---hue of 10YR or 2.5Y, value of 3 to 5, and chroma of 2 to
6

\<@31\>Texture---sand, loamy sand, or loamy fine sand

\<@23\>\<i\>*Ab horizon (where present, below 40 inches):*\<p\>

\<@31\>Color---hue of 10YR or 2.5Y, value of 3 to 5, and chroma of 2 to
6

\<@31\>Texture---sand, loamy sand, or loamy fine sand

\<@23\>\<i\>*Bw horizon:*\<p\>

\<@31\>Color---hue of 5YR to 10YR, value of 4 to 6, and chroma of 4 to 8

\<@31\>Texture---sand, loamy sand, or loamy fine sand

\<@23\>\<i\>*C horizon:*\<p\>

\<@31\>Color---hue of 5YR to 2.5Y, value of 3 to 8, and chroma of 3 to 8

\<@31\>Texture---fine sand to a depth of 40 inches; sand to loam or
stratified below 40 inches

\<@31\>Mottles (where present)---in shades of gray below a depth of 40
inches; not associated with wetness