2010-05-07_PERMIT FILE - C2009087 (54)

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Dresher Series i s Map unit(s): 5A Depth class: very deep Drainage class: well Slowest permeability: 0.001 to .06 in /hr (very slow) Landform: drainageways, swales Parent material. alluvium derived from sandstone and shale Elevation: 6,300 to 6,700 feet (1,920 to 2,042 meters) Slope: 1 to 6 percent Climatic data: Mean annual precipitation: 16 to 20 inches (406 to 508 millimeters) Mean annual air temperature: 40 to 44 degrees F. (4.4 to 6.7 degrees C.) Frost -free period. 80 to 110 days Taxonomic class: Fine, smectitic, frigid Vertic Natrustalfs Typical Pedon Map unit in which located. Dresher fine sandy loam, 1 to 6 percent Location in survey area: Northwest quarter of northwest quarter of section 29, T 6 N, R 88 W; NAD83; 40 degrees 27 minutes 19.00 seconds north latitude and 107 degrees 17 minutes 35.00 seconds west longitude; UTM 305,506 meters E, 4480,833 meters N, zone 13. (colors are for dry soil unless otherwise noted) E -0 to 2 inches; light gray (10YR 7/2), very fine sandy loam, brown (10YR 4/3), moist; 17 percent clay; moderate medium platy and weak fine granular structure; friable, slightly hard, nonsticky, nonplastic; common fine and very fine roots throughout; few fine vesicular and • common fine and very fine irregular pores; non effervescent; moderately alkaline (pH 8.0); abrupt smooth boundary. Bt -2 to 9 inches; brown (10YR 5/3), silty clay, brown (10YR 4/3), moist; 40 percent clay; weak coarse columnar structure parting to moderate medium subangular blocky structure; firm, very hard, very sticky, very plastic; common fine and few medium roots throughout; common fine irregular and tubular pores; 40 percent discontinuous distinct clay films on all faces of peds; noneffervescent; moderately alkaline (pH 8.4); clear wavy boundary. Btkyz -9 to 25 inches; brown (10YR 5/3), silty clay, brown (10YR 4/3), moist; 40 percent clay; moderate medium subangular blocky structure; firm, very hard, very sticky, very plastic; few fine and medium roots throughout; common fine tubular and few very fine irregular pores; 20 percent patchy distinct clay films on all faces of peds; finely disseminated carbonate; strongly effervescent; salt crystals between peds; Sodium adsorption Ratio 13; strongly alkaline (pH 9.0); clear smooth boundary. Bkyzl -25 to 41 inches; brown (10YR 5/3), silty clay, brown (10YR 4/3), moist; 45 percent clay; weak medium subangular blocky structure; firm, very hard, very sticky, very plastic; few fine and very fine roots throughout; common fine and very fine irregular pores; finely disseminated carbonate; strongly effervescent; salt crystals between peds; Sodium adsorption ratio 16; strongly alkaline (pH 8.8); clear smooth boundary. Bkyz2 -41 to 61 inches; brown (10YR 5/3), silty clay, brown (10YR 4/3), moist; 45 percent clay; moderate coarse subangular blocky structure; firm, very hard, very sticky, very plastic; few fine roots throughout; few fine and very fine irregular pores; finely disseminated carbonate; strongly effervescent; salt crystals between peds; Sodium adsorption ratio 19; strongly alkaline (pH 8.8). • Range in Characteristics Soil moisture: