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Btk - -23 to 36 inches; reddish yellowish (5YR 6/6) sandy clay loam, yellowish red (5YR 4/6) moist; <br />moderate medium subangular blocky structure; hard, firm, moderately sticky and moderately plastic; <br />common very fine and fine roots; common very fine and fine tubular pores; few distinct clay films on <br />faces of peds; strongly effervescent; carbonates segregated in filaments; moderately alkaline (pH 8.2); <br />abrupt wavy boundary. (0 to 14 inches thick) <br />Bk1 - -36 to 47 inches; pink (5YR 7/4) sandy clay loam, yellowish red (5YR 5/6) moist; massive; hard, <br />friable, moderately sticky and moderately plastic; few very fine and fine roots; common very fine and <br />fine tubular pores; violently effervescent; carbonates in veins; strongly alkaline (pH 8.6); clear wavy <br />boundary. (10 to 36 inches thick) <br />Bk2 --47 to 55 inches; reddish yellow (5YR 6/6) sandy clay loam, yellowish red (5YR 4/6) moist; <br />massive; hard, friable, slightly sticky and slightly plastic; few fine roots; common very fine and fine <br />tubular pores; strongly effervescent; carbonates are disseminated throughout; strongly alkaline (pH 8.4); <br />clear wavy boundary. (6 to 10 inches thick) <br />Bk3 - -55 to 60 inches; pink (5YR 7/4) sandy clay loam, yellowish red (5YR 5/6) moist; massive; hard, <br />friable, slightly sticky and slightly plastic; common fine pores; violently effervescent; carbonates are in <br />veins; st <br />TYPE LOCATION: San Juan County, Utah; about 2 miles southeast of the intersection of highway 95 <br />and highway 261; located about 1,700 feet south and 1,600 feet west of the northeast corner of sec. <br />19, T. 37 S., R. 19 E. <br />Range in Characteristics: <br />Soil moisture regime: aridic bordering on ustic <br />Soil temperature regime: mesic <br />Mean annual soil temperature: 48 to 54 degrees F <br />Particle -size control section: 18 to 35 percent clay <br />Depth to calcic horizon: 12 to 39 inches <br />Depth to secondary calcium carbonate: 6 to 30 inches <br />A horizon: <br />Hue: 2.5YR to 10YR <br />Value: 4 to 6 (3 to 5 moist) <br />(Revised July 2010) Attachment 2.04.9 -3 -3 <br />