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consistence; common coarse and medium, and many fine and very fine roots; moderately <br />effervescent; from lab data: pH=7.7 (slightly alkaline), EC=0.47 (nonsaline), SAR=0.52 <br />(nonsodic); OM=3.2% (high); gradual smooth boundary. <br />BC horizon — 5 to 20 inches; light yellowish brown (10YR 6/4) sandy loam with 5% mixed <br />gravels, yellowish brown (10YR 5/4) moist; moderate coarse subangular blocky structure; <br />slightly hard dry consistence, friable moist consistence, and nonsticky and nonplastic wet <br />consistence; common coarse and medium, and many fine and very fine roots; moderately <br />effervescent from lab data: pH=8.1 (moderately alkaline), EC=0.33 (nonsaline), SAR=1.42 <br />(nonsodic); OM=0.2% (low); gradual wavy boundary. <br />C1 horizon — 20 to 40 inches; light yellowish brown (10YR 6/4) sandy loam with 5% small <br />mixed gravels, yellowish brown (10YR 5/4) moist; massive structure; slightly hard dry <br />consistence, friable moist consistence, and nonsticky and nonslightly plastic wet <br />consistence; few to common coarse, medium, fine, and very fine roots; moderately <br />effervescent; from lab data: pH=8.2 (moderately alkaline), EC=0.43 (nonsaline), SAR=3.26 <br />(slightly sodic); OM=1.2%; gradual wavy boundary. <br />CA horizon — 40 to 60 inches; very pale brown to pale brown (10YR 7/3, 6/3) sandy loam <br />with 45 to 55% mixed, carbonate-coated gravels, brown (10YR 5/3) moist; massive <br />structure; hard parting to loose dry consistence, very friable parting to loose moist <br />consistence, and nonsticky and nonplastic wet consistence; strongly effervescent; from lab <br />data: pH=8.4 (moderately alkaline), EC=0.52 (nonsaline), SAR=3.60 (slightly sodic); <br />OM=<0.1% (low); gradual wavy boundary. <br />C3 horizon — 60 to 96 inches (5 to 8'); very pale brown to light yellowish brown (10YR 7/4, <br />6/4) sandy loam with 2% mixed gravels; yellowish brown (10YR 5/4) moist; massive <br />structure; hard dry consistence, slightly hard moist consistence, and nonsticky and <br />nonplastic wet consistence; moderately effervescent; from lab data: pH=8.3 (moderately <br />alkaline), EC=0.60 (nonsaline), SAR=3.23 (slightly sodic); gradual wavy boundary. <br />Cameo Typical Sample "MC25" Site and Profile Description:4% slope, southwest <br />aspect; Big sagebrush, Juniper, some greasewood, some cactus vegetation; small terrace <br />adjacent to incised ephemeral drainage; mixed slopewash and drainage alluvium; slight <br />erosion and disturbed spots within area; GPS coordinates: North 39 degrees, 26.458'; <br />West 108 degrees, 46.538'. <br />A horizon — 0 to 5 inches; brown (10YR 4/3) fine sandy loam, dark brown (10YR 3/3) moist; <br />weak medium platy and granular structure; soft to slightly hard dry consistence, very friable <br />moist consistence, and slightly sticky and slightly plastic wet consistence; many fine and <br />very fine and few coarse and mediumroots; moderately effervescent; from lab data: pH=7.7 <br />(slightly alkaline), EC=0.57 (nonsaline), SAR=0.77 (nonsodic); OM=5.0% (high); gradual <br />smooth boundary. <br />M <br />