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Traq aeries <br />• Depth class: Very deep <br />Drainage class: Well drained <br />Parent material: Alluvium <br />Landform: Foothills, alluvial <br />fans <br />Landscape position: Foot slopes <br />Slope: 3 to 25 percent <br />Average annual precipitation: 17 <br />to 22 inches <br />Average annual air temperature: <br />45 to 47 degrees F <br />Taxonomic class: Fine-loamy, <br />mixed Typic Argiborolls <br />peds; neutral; clear smooth <br />boundary. <br />Bt3=20 to 36 inches; brown (lOYR <br />5/3) sandy clay loam, dark brown <br />(lOYR 4/3) moist; moderate fine <br />and medium subangular blocky; <br />slightly friable, slightly <br />sticky and slightly plastic; <br />mildly alkaline; clear smooth <br />boundary. <br />C=36 to 60 inches; brown (lOYR <br />5/4) loam, dark brown (lOYR 4/4) <br />moist; massive; slightly hard, <br />friable, slightly sticky and <br />slightly plastic; mildly <br />alkaline. <br /> Typical Pedon <br /> Typical pedon of a Trag loam, 3 <br /> to 9 percent slope, about 800 Range in Characteristics <br /> feet north and 1,150 feet east Thickness of the mollic <br /> of the southwest corner of sec. epipedon: 7 to 15 inches <br /> 23, T. 31 S., R. 66 W. Thickness of the solum: 25 to 50 <br /> inches <br /> Al=0 to 9 inches; dark grayish Depth to bedrock: 60 or more <br /> brown (lOYR 4/2) loam, very dark inches <br /> grayish brown (lOYR 3/2) moist; Content of coarse fragments in <br /> moderate medium granular the control section: 0 to 15 <br />• structure; slightly hard, percent <br /> friable, slightly sticky and <br /> slightly plastic; neutral; clear A horizon: <br /> smooth boundary. Hue=10YR to 7.5YR <br /> Texture=sandy loam or loam <br /> Btl=9 to 13 inches; dark grayish Reaction=slightly acid or <br /> brown (lOYR 4/2) clay loam, dark neutral <br /> brown (lOYR 3/3) moist; moderate <br /> medium prismatic structure B horizon: <br /> parting to moderate medium Hue=7.5YR to lOYR <br /> subangular blocks; slightly Texture=sandy clay loam, loam, <br /> hard, friable, slightly sticky or clay loam <br /> and slightly plastic; common Clay content: 18 to 35 percent <br /> thin clay films on faces of Reaction: neutral or mildly <br /> peds; neutral; clear smooth alkaline <br /> boundary. <br /> C horizon: <br /> Bt2=13 to 20 inches; dark Texture=loam, sandy loam, or <br /> grayish brown (lOYR 4/2) clay sandy clay loam <br /> loam, dark brown (lOYR 4/3) Reaction: neutral to moderately <br /> moist; moderate medium prismatic alkaline <br /> structure parting to moderate <br /> medium subangular blocks; hard, <br /> firm, sticky and plastic; common <br /> thin clay films on faces of <br />. <br />5-1-24 <br />