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Cameo Typical Sample "MC21" Site and Profile Description:4% slope, west aspect; <br />tall greasewood vegetation; gently sloping alluvial fan; local, coarse -loamy alluvium; no <br />erosion in the vicinity of the sample site; GPS coordinates: North 39 degrees, 26.144'; <br />West 108 degrees, 46.769'. <br />A horizon — 0 to 5 inches; brown (10YR 5/3) fine sandy loam with 15% mixed gravels, dark <br />brown (10YR 4/3) moist; moderate medium platy breaking to moderate medium granular <br />structure; soft to slightly hard dry consistence, very friable moist consistence, and nonsticky <br />and nonslightly plastic wet consistence; common coarse and medium, and many fine and <br />very fine roots; slightly effervescent; from lab data: pH=7.9 (moderately alkaline), EC=0.55 <br />(nonsaline), SAR=0.80 (nonsodic); OM=1.9% (medium); gradual smooth boundary. <br />BC horizon — 5 to 24 inches; pale brown (10YR 6/3) sandy loam with 20% mixed gravels, <br />brown (10YR 5/3) moist; moderate medium subangular blocky structure; slightly hard dry <br />consistence, friable moist consistence, and nonsticky and nonplastic wet consistence; <br />common coarse and medium, and many fine and very fine roots; moderately effervescent <br />from lab data: pH=7.9 (moderately alkaline), EC=0.39 (nonsaline), SAR=0.83 (nonsodic); <br />OM=2.0% (medium); gradual wavy boundary. <br />C1 horizon — 24 to 48 inches; pale brown (10YR 6/3) sandy loam with 20% mixed gravels, <br />brown (10YR 5/3) moist; massive structure; slightly hard dry consistence, friable moist <br />consistence, and slightly sticky and slightly plastic wet consistence; few coarse, medium, <br />fine, and very fine roots; moderately effervescent; from lab data: pH=7.8 (slightly alkaline), <br />EC=0.54 (nonsaline), SAR=1.01 (nonsodic); OM=2.1 % (medium); gradual wavy boundary. <br />CA horizon — 48 to 60 inches; brown (10YR 5/3) loam with 15% mixed gravels, dark <br />brown (10YR 4/3) moist; massive structure; hard to very hard dry consistence, firm moist <br />consistence, and sticky and slightly plastic wet consistence; strongly effervescent; from lab <br />data: pH=8.2 (moderately alkaline), EC=0.94 (nonsaline), SAR=6.20 (slightly sodic); <br />OM=1.9% (medium); gradual wavy boundary. <br />C3 horizon — 60 to 96 inches (5 to 8'); brown (10YR 5/3) loam with 15% mixed gravels, <br />dark brown (10YR 4/3) moist; massive structure; hard dry consistence, firm moist <br />consistence, and sticky and slightly plastic wet consistence; strongly effervescent; from lab <br />data: pH=8.0 (moderately alkaline), EC=2.23 (very slightly saline), SAR=8.55 (moderately <br />sodic); OM=2.0% (medium); gradual wavy boundary. <br />Cameo Typical Sample "MC23" Site and Profile Description:4% slope, west aspect; <br />tall greasewood and some silver sagebrush vegetation; drainage terrace; local, mixed <br />streamlain alluvium; no erosion in the vicinity of the sample site; GPS coordinates: North <br />39 degrees, 26.254'; West 108 degrees, 46.694'. <br />A horizon — 0 to 5 inches; brown (10YR 5/3) fine sandy loam to loam with 5% small mixed <br />gravels, dark brown (10YR 4/3) moist; moderate medium granular structure; soft to slightly <br />hard dry consistence, very friable moist consistence, and nonsticky and nonplastic wet <br />-7- <br />