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

Soil Survey of Lincoln County, West Virginia
Slope range: 8 to 65 percent
Classification: Fine, mixed, superactive, mesic Typic Hapludalfs
Representative Pedon
Upshur silt loam, in a wooded area of Gilpin-Upshur complex, 15 to 25 percent
slopes; along a ridge between Tony Branch and Trace Fork of Mud River; USGS
Garretts Bend topographic quadrangle; lat. 38 degrees 18 minutes 18 seconds N. and
long. 81 degrees 55 minutes 23 seconds W.
Oi—0 to 1 inch; slightly decomposed leaf litter.
A—1 to 4 inches; brown (7.5YR 4/4) silt loam; weak fine granular structure; very
friable; many very fine, fine, and medium roots; 5 percent shale channers; very
strongly acid; clear wavy boundary.
BA—4 to 8 inches; strong brown (7.5YR 5/6) silt loam; weak fine subangular blocky
structure; friable; many very fine, fine, and medium roots; 10 percent shale
channers; very strongly acid; clear wavy boundary.
Bt1—8 to 24 inches; yellowish red (5YR 4/6) silty clay; moderate fine and medium
subangular blocky structure; firm; common fine and medium roots; common
distinct clay films on faces of peds; 10 percent shale channers; very strongly acid;
clear wavy boundary.
Bt2—24 to 32 inches; dark reddish brown (2.5YR 3/4) clay; moderate medium and
coarse subangular blocky structure; firm; few medium roots; many distinct clay
films on faces of peds; 10 percent shale channers; very strongly acid; clear wavy
boundary.
Bt3—32 to 41 inches; dusky red (10R 3/4) channery clay; weak fine and medium
subangular blocky structure; firm; few fine roots; common distinct clay films on
faces of peds; 20 percent shale channers; few fine black (N 2.5/) concretions of
manganese; moderately acid; clear wavy boundary.
C—41 to 47 inches; dusky red (10R 3/4) channery clay; massive; firm; 20 percent
shale channers; common fine black (N 2.5/) concretions of manganese;
moderately acid; clear wavy boundary.
Cr—47 to 52 inches; weathered soft shale and siltstone bedrock.
Range in Characteristics
Thickness of the solum: 26 to 50 inches
Depth to bedrock: 40 to 60 inches
Reaction: Very strongly acid to slightly acid in the A and BA horizons; very strongly
acid to moderately acid in the Bt and BC horizons; strongly acid to moderately
alkaline in the C horizon
Content of rock fragments: 0 to 15 percent in the A and BA horizons; 10 to 25 percent
in the Bt and BC horizons; 0 to 75 percent in the C horizon
A horizon:
Hue—2.5YR to 10YR
Value—2 to 4
Chroma—2 to 4
Texture—silt loam
BA horizon:
Hue—5YR or 7.5YR
Value—4 or 5
Chroma—4 to 6
Texture—silt loam
Bt horizon:
Hue—10R to 5YR
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