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Cg4-38 to 60 inches; WHITE (IOYR 7/2) sandy clay loam, gray (IOYR 6/1) moist; few fine <br />distinct very pale brown (IOYR 8/3) moist; masses of iron accumulation; massive; hard, <br />friable, slightly sticky and slightly plastic; violently effervescent; moderately alkaline. <br />Range in Characteristics <br />The water table ranges between depths of 6 and 50 inches throughout the year. <br />The particle -size control section is 0 to 15 percent rock fragments. <br />Most pedons are continuously saturated with water within 40 inches of the soil surface <br />for 90 days or more in most years. Some pedons have an irregular decrease in organic -carbon <br />content with increasing depth. <br />A and Cg horizons: The hue is 2.5 Y, l OYR, 7.5YR, or 5YR. The texture is clay loam <br />and sandy clay loam. <br />Nyswonger Series <br />Depth class: very deep <br />Drainage class: moderately well drained <br />Permeability: very slow <br />Landform: alluvial fan, terrace, valley floor <br />Parent material: alluvium derived from sandstone and shale <br />Elevation: 4,900 to 6,800 feet <br />Slope: 1 to 4 percent <br />Climatic data: <br />Average annual precipitation: 10 to 14 inches <br />Average annual air temperature: 46 to 49 degrees F <br />Taxonomic class: Fine -loamy, mixed, mesic, Torriflueventic Haplustolls <br />Reference Pedon <br />Map unit in which located: Nyswonger silty clay loam, 1 to 4 percent slopes <br />Location in survey area: about 900 feet west and 150 feet north of the southeast corner of Sec. 3, <br />T. 47 N., R 19 W. <br />Ap --- O to 3 inches; brown (7.5YR 4/2) silty clay loam, dark brown (7.5YR 3/2) moist; strong <br />fine granular structure; hard, friable, sticky and plastic; strongly effervescent; moderately <br />alkaline; abrupt smooth boundary. <br />Section 2.04.9 Page 20 Sept. 2015 (TR -11) <br />