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• consistence; slightly to moderately effervescent, slightly alkaline (pH 7.4), from lab
<br />data); gradual wavy boundary.
<br />OB2 horizon (overburden spoil) - 24 to 48 inches; grayish brown to brown (lOYR 5/2,
<br />5/3) silty loam overburden spoil, dark grayish brown to brown (1 OYR 4/2, 4/3) moist;
<br />massive, compacted structure; very hard dry consistence, firm moist consistence, sticky
<br />and plastic wet consistence; moderately effervescent, slightly alkaline (pH 7.4, from lab
<br />data); gradual wavy boundary.
<br />OB3 horizon (overburden spoil) - 48 to 72 inches; light gray, grayish brown, and
<br />yellowish brown (lOYR 6/1, 5/2, and 5/4) silt loam overburden spoil; gray, dark grayish
<br />brown, and dark yellowish brown (lOYR 5/1, 4/2, and 4/4) moist; massive, compacted
<br />structure; very hard dry consistence, firm moist consistence, sticky and slightly plastic
<br />wet consistence; moderately effervescent, slightly alkaline (pH 7.4, from lab data);
<br />gradual wavy boundary.
<br />2WMine Reclaimed Land Soil Pit 2W-TS-07-P2 (ZWPit 2)
<br />Sample site 2W-TS-07-P2 is located on reclaimed land at the 2W Mine. Site
<br />characteristics include: 10% slope on a hill sideslope position; west aspect; mixed
<br />reclamation grasses and forbs, excellent cover and productivity; reapplied topsoil; well
<br />drained; moderate permeability; none to slight erosion at site; sampled October 10, 2007;
<br />• soil samples for lab include 0-7" (reapplied topsoil), 7-15" (reapplied topsoil), 15-24" and
<br />24 to 35" (mix of reapplied topsoil and weathered overburden spoil), and 35-72"
<br />(overburden spoil).
<br />A horizon - 0 to 7 inches; brown (1 OYR 4/3) clay loam with 5% sandstone and shale
<br />fragments, dark brown and very dark grayish brown (lOYR 3/3, 3/2) moist; moderate
<br />medium granular structure; slightly hard dry consistence, very friable moist consistence,
<br />sticky and slightly plastic wet consistence; common fine and very fine, and few medium
<br />and coarse roots; slightly effervescent, neutral (pH 7.1, from lab data); gradual wavy
<br />boundary.
<br />Bw horizon - 7 to 15 inches; brown (lOYR 4/3) silty clay loam (27% clay), dark brown
<br />(lOYR 3/3) moist; moderate medium subangular blocky structure; slightly hard dry
<br />consistence, very friable moist consistence, sticky and slightly plastic wet consistence;
<br />common fine and very fine and few medium and coarse roots; slightly effervescent,
<br />neutral, (pH 7.1, from lab data); gradual wavy boundary.
<br />CI /OBI horizon - 1 S to 24 inches; brown and dark grayish brown (1 OYR 4/3, 4/2) silty
<br />clay loam (33% clay) with 10% sandstone and shale fragments, dark brown and very dark
<br />grayish brown (lOYR 3/3, 3/2} moist; horizon is a mix of reapplied topsoil and weathered
<br />overburden spoil; massive structure; very hard dry consistence, firm moist consistence,
<br />sticky and plastic wet consistence; common fine and very fine and few medium and
<br />• coarse roots; slightly effervescent, slightly alkaline (pH 7.4, from lab data); gradual wavy
<br />boundary.
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