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• slightly plastic wet consistence; common fine and very fine and few medium roots; <br />slightly calcareous, neutral (pH 6.8); 5.6 percent organic matter (from lab data); clear <br />wavy boundary. <br />C2 horizon — 12 to 22 inches; brown (IOYR 5/3) loam to clay loam texture, brown (IOYR <br />4/3) moist; massive structure; hard dry consistence, firm moist consistence, sticky and <br />plastic wet consistence; common fine and very fine and few medium roots; slightly <br />calcareous, neutral (pH 6.9); 6.2 percent organic matter (from lab data); gradual wavy <br />boundary. <br />OBI /C3 horizon (mix of overburden and soil) — 22 to 30 inches; brown (IOYR 5/3) clay <br />loam soil and dark grayish brown (IOYR 4/2) clay loam overburden, brown (IOYR 4/3) <br />moist soil, very dark grayish brown (10YR 3/2) moist overburden; massive structure; <br />very hard dry consistence, very firm moist consistence, sticky and plastic wet <br />consistence; moderately calcareous; gradual wavy boundary; (not sampled for lab). <br />OB2 (overburden) — 30 to 72 inches; gray (1 OYR 511) clay overburden, dark gray (IOYR <br />4/1) moist; massive structure; very hard dry consistence, very firm moist consistence, <br />sticky and plastic wet consistence; moderately calcareous; gradual wary boundary. <br />4.0 References <br />is Schoenberger, P.J. et.al. 2002. Field Book for Describing and Sampling Soils. Version <br />2.0. U. S.D.A. -Natural Resources Conservation Service - National Soil Survey Center. <br />Lincoln, Nebraska. <br />Wyoming Department of Environmental Quality -Land Quality Division (WDEQ). <br />1994.Guideline No. 1, Topsoil and Overburden. Rules Update. August 1994. <br />6 <br />