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I • Texhue: loam, silty clay loam, or clay loam <br /> Clay content: 15 to 35 percent <br />I Reaction: pH 6.6 to 7.3 <br /> Bw horizon -Hue: l OYR or 2.SY <br /> Value: 4, 5, or 6 dry; 3 or 4 moist <br />' Chroma: 1 or 2 <br /> Texture: clay loam or loam <br />' Clay content: 20 to 35 percent <br /> Reaction: pH 7.4 to 7.8 <br /> Bg horizon -Hue: ]OYR or 2.SY <br />I Value: 4, 5, or 6 dry; 3 or 4 moist <br /> Chroma: 1 or 2 <br /> Texture: silty clay loam or clay loam <br />I Clay content: 27 to 35 percent <br /> Reaction: pH 7.9 to 8.4 <br /> Cg horizon -Hue: lOYR or 2.SY <br />' Value: 5 or 6 dry; 3 or 4 moist <br /> Chroma: I or 2 <br />I Texture: clay loam or loam <br /> Clay content: 20 to 35 percent <br />• Reaction: pH 7.9 to 8.4 <br />I 2Cg horizon -Hue: lOYR or 2.SY <br /> Value: 5 or 6 dry; 3 or 4 moist <br /> Chroma: 1 or 2 <br />I Clay content: 10 to 20 percent <br /> Reaction: pH 7.9 to 8.4 <br />' COMPETING SERIES: <br /> Gallatin (MT) -has horizons of secondary carbonate accumulation. <br /> Outlet (ID) -has horizons of secondary carbonate accumulation. <br />I GEOGRAPHIC SETTING: <br /> l.aodform- low stream terraces and floodplains. <br /> Elevation - 4,500 to 7,000 feet. <br />' Parent material - noncalcareous alluvium from mixed sowces. <br /> Climate -long, cold winters; cool, moist springs; short summers. <br /> Mean annual precipitation - is 15 to 30 inches. <br />I Mean annual temperatwe - 38 to 46 degrees F. <br /> Mean annual summer temperature - 54 to 59 degrees F. <br />' Frost-free period - 50 to 70 days. <br /> DRAINAGE AND PERMEABII.I1-Y: Somewhat poorly drained; moderate permeability. <br /> USE AND VEGETATION: Slocum soils are used mainly for hay and pastwe. Potential <br />I native vegetation is mainly northern reedgrass, tufted hairgrass, basin wildrye, and some <br />. conifer and deciduous trees. <br />~ DISTRIBUTION AND EXTENT: Slocum soils are widely distributed and inextensive. <br />R-~ <br />