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BC horizon — 5 to 20 inches; brown (10YR 5/3) sandy clay loam with about 30% mixed <br />gravels, cobbles, and stones; dark brown (10YR 4/3) moist; weak medium subangular <br />blocky structure; slightly hard to hard dry consistence, friable moist consistence, and <br />slightly sticky and slightly plastic wet consistence; many fine and very fine, and few coarse <br />and medium roots; moderately effervescent; from lab data: pH=7.8 (slightly alkaline), <br />EC=0.48 (nonsaline), SAR=0.65 (nonsodic); OM=3.7% (high); gradual wavy boundary. <br />C1 horizon — 20 to 38 inches;brown (10YR 5/3) sandy loam with about 30% mixed gravels, <br />cobbles, and stones; dark brown (10YR 4/3) moist; massive structure; hard dry <br />consistence, friable moist consistence, and slightly sticky and slightly plastic wet <br />consistence; few fine and very fine roots; moderately to strongly effervescent; from lab <br />data: pH=8.5 (strongly alkaline), EC=0.82 (nonsaline), SAR=10.0 (moderately sodic); <br />OM=0.6% (low); gradual wavy boundary. <br />C2 horizon — 38 to 60 inches; yellowish brown (10YR 5/4) sandy loam with about 30% <br />mixed gravels, cobbles, and stones; dark yellowish brown (10YR 4/4) moist; massive <br />structure; hard dry consistence, firm moist consistence, and sticky and slightly plastic wet <br />consistence; strongly effervescent; from lab data: pH=8.9 (strongly alkaline), EC=0.75 <br />(nonsaline), SAR=6.96 (slightly sodic); OM=1.0% (low to medium); gradual wavy boundary; <br />did not hit bedrock. <br />Cameo taxadiunct Typical Sample "MC24" Site and Profile Description:3% slope, <br />southwest aspect; tall greasewood, Big sagebrush, and some mixed grasses <br />vegetationjoeslope of short alluvial fan; mixed slopewash alluvium; no erosion in the <br />vicinity of the sample site; GPS coordinates: North 39 degrees, 26.333'; West 108 degrees, <br />46.728'. <br />A horizon — 0 to 5 inches; brown (10YR 4/3) loam with 5% small mixed gravels, dark <br />brown (10YR 3/3) moist; moderate medium granular structure; soft to slightly hard dry <br />consistence, very friable moist consistence, and slightly sticky and slightly plastic wet <br />consistence; many coarse, medium, fine, and very fine roots; slightly effervescent; from <br />lab data: pH=7.7 (slightly alkaline), EC=0.43 (nonsaline), SAR=0.36 (nonsodic); OM=3.8% <br />(high); gradual smooth boundary. <br />Bw horizon — 5 to 18 inches; brown (10YR 5/3) sandy clay loam with 5% small mixed <br />gravels, dark brown (10YR 4/3) moist; moderate medium subangular blocky structure; <br />slightly hard dry consistence, friable moist consistence, and slightly sticky and slightly <br />plastic wet consistence; many coarse, medium, fine and very fine roots; moderately <br />effervescent; from lab data: pH=7.9 (moderately alkaline), EC=0.57 (nonsaline), SAR=1.18 <br />(nonsodic); OM=2.0% (medium); gradual wavy boundary. <br />C1 horizon — 18 to 40 inches; pale brown (10YR 6/3) sandy loam with 5% small mixed <br />gravels, brown (10YR 5/3) moist; massive structure; hard dry consistence, firm moist <br />consistence, and slightly sticky and slightly plastic wet consistence; moderately <br />-9- <br />