Soil Survey of Lincoln County, West Virginia - Soil Data Mart - US ...

Soil Survey of Lincoln County, West Virginia
Ap—0 to 8 inches; brown (7.5YR 4/3) loam; weak fine and medium granular structure;
very friable; many fine roots; 10 percent sandstone, siltstone, and shale gravel;
neutral; abrupt wavy boundary.
BA—8 to 15 inches; dark yellowish brown (10YR 4/4) loam; weak fine subangular
blocky structure; friable; common fine roots; 10 percent sandstone, siltstone, and
shale gravel; moderately acid; clear wavy boundary.
Bw1—15 to 24 inches; brown (7.5YR 4/4) gravelly loam; weak medium subangular
blocky structure; friable; common fine roots; 25 percent sandstone, siltstone, and
shale gravel; slightly acid; clear wavy boundary.
Bw2—24 to 30 inches; brown (7.5YR 4/4) gravelly fine sandy loam; weak medium
subangular blocky structure; friable; few fine roots; few fine and medium
faint brown (7.5YR 5/3) silt films on faces of peds and in pores; 30 percent
sandstone, siltstone, and shale gravel; moderately acid; clear irregular
boundary.
C1—30 to 40 inches; brown (10YR 5/3) very gravelly loam; massive; friable; few fine
roots; 40 percent sandstone, siltstone, and shale gravel; slightly acid; clear
irregular boundary.
C2—40 to 65 inches; brown (10YR 5/3) very gravelly loam; massive; friable; common
fine and medium prominent strong brown (7.5YR 5/8) redox concentrations;
common fine black (N 2.5/) concretions of manganese; 50 percent sandstone,
siltstone, and shale gravel; slightly acid; abrupt irregular boundary.
R—65 inches; hard sandstone bedrock.
Range in Characteristics
Thickness of the solum: 24 to 55 inches
Depth to bedrock: More than 60 inches
Reaction: Moderately acid to slightly alkaline throughout
Content of rock fragments: 5 to 25 percent in the A and BA horizons; 15 to 40 percent
in the Bw horizon; 15 to 70 percent in the C horizon
A horizon:
Hue—5YR to 10YR
Value—4
Chroma—3 or 4
Texture—loam
BA horizon:
Hue—7.5YR or 10YR
Value—4 or 5
Chroma—3 to 6
Texture—fine sandy loam, loam, silt loam, sandy clay loam, silty clay loam
Bw horizon:
Hue—7.5YR or 10YR
Value—4 or 5
Chroma—3 to 6
Texture—fine sandy loam, loam, silt loam, sandy clay loam, silty clay loam, clay
loam
C horizon:
Hue—7.5YR or 10YR
Value—4 or 5
Chroma—3 to 6
Texture—fine sandy loam, loam, silt loam, silty clay loam, sandy clay loam, clay
loam
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