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

BA horizon:
Hue—10YR
Value—3 to 6
Chroma—3 or 4
Texture—loam, silt loam
Bw horizon:
Hue—10YR
Value—4 or 5
Chroma—3 to 6
Texture—loam, silt loam
C horizon:
Hue—10YR
Value—4 or 5
Chroma—3 to 6
Texture—fine sandy loam, loam
Cotaco Series
Soil Survey of Lincoln County, West Virginia
Depth class: Very deep
Drainage class: Moderately well drained or somewhat poorly drained
Permeability: Moderate
Landscape position: On low terraces along the major streams; throughout the county
Parent material: Alluvium derived from limy and acid soils on uplands
Slope range: 0 to 15 percent
Classification: Fine-loamy, mixed, semiactive, mesic Aquic Hapludults
Representative Pedon
Cotaco loam, in a pastured area of Cotaco loam, 3 to 8 percent slopes, in Wayne
County, West Virginia; about 3.9 miles south of the confluence of Buffalo Creek and
Twelvepole Creek, 0.8 mile northwest of Mills Chapel, and about 500 feet northeast of
Buffalo Creek; USGS Burnaugh topographic quadrangle; lat. 38 degrees 17 minutes
53 seconds N. and long. 82 degrees 30 minutes 32 seconds W.
Ap—0 to 8 inches; brown (10YR 4/3 and 5/3) loam; moderate fine and medium
granular structure; very friable; many fine and medium roots; mildly alkaline;
abrupt smooth boundary.
BA—8 to 12 inches; yellowish brown (10YR 5/4) loam; weak medium subangular
blocky structure; friable; common fine and medium roots; neutral; clear wavy
boundary.
Bt1—12 to 17 inches; yellowish brown (10YR 5/4) loam; common pale brown (10YR
6/3) and yellowish brown (10YR 5/6) redox accumulations; weak medium
subangular blocky structure; friable; common fine and medium roots; common
discontinuous clay films on faces of peds; strongly acid; clear wavy boundary.
Bt2—17 to 28 inches; brownish yellow (10YR 6/6) clay loam; many medium light gray
(10YR 7/2) redox depletions; weak medium subangular blocky structure; friable;
few fine roots; common concretions of manganese; common discontinuous clay
films on faces of peds; strongly acid; gradual wavy boundary.
BC—28 to 39 inches; brownish yellow (10YR 6/6) and light gray (10YR 7/2) clay loam;
weak medium prismatic structure parting to weak coarse subangular blocky;
friable; few fine roots; common manganese coatings on faces of peds; strongly
acid; gradual wavy boundary.
C1—39 to 50 inches; brownish yellow (10YR 6/6) and light gray (10YR 7/2) loam;
massive; friable; 5 percent siltstone and shale fragments; strongly acid; gradual
wavy boundary.
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