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vmciai genes Lescnpuun - wu,n x genes <br />Ap horizon: (A horizon in some pedons) <br />Hue: 7.SYR to 2.SY <br />Value: 4 to 7 dry, 3 to 6 moist <br />Chroma: 1 to 4 <br />Reaction: neutral to moderately alkaline. <br />Bt horizon: <br />Hue: 7.SYR to 2.SY <br />Value: 5 to 7 dry, 4 to 6 moist <br />Chroma: 1 to 6 <br />Texture: silt loam or silty clay loam <br />Clay content: 20 to 35 percent <br />Reaction: moderately alkaline or strongly alkaline. <br />Btk horizon: <br />Hue: 7. SYR to 2. SY <br />Value: 5 to 7 dry, 4 to 6 moist <br />Chroma: 3 or 4 <br />Texture: silt loam or silty clay loam <br />Clay content: 20 to 35 percent <br />Reaction: moderately alkaline or strongly alkaline <br />Calcium carbonate equivalent: 5 to 15 percent above 30 inches. <br />BCk horizon: <br />Hue: 7.SYR or lOYR <br />Value: 5 or 6 dry, 4 or 5 moist <br />Chroma: 2 to 4 <br />Texture: silt loam or silty clay loam <br />Reaction: moderately alkaline or strongly alkaline. <br />C horizon: (Bk horizon in some pedons) <br />Hue: 7.SYR or lOYR <br />Value: 6 or 7 dry, 4 to 6 moist <br />Chroma: , 2 to 4 <br />Texture: silt loam, silty clay loam, loam <br />Reaction: moderately alkaline or strongly alkaline. <br />rage ~ ui ~ <br />COMPETING SERIES: These include the Alteea (NM), Amal (NM), Buick (CO), Chita (NM), <br />Eloedro (NM), Keiser (MT), Klinedray (WY), MonMoncha (NM), Oshoto (WY), Pulpit (CO), Roubideau <br />(CO), Sharon (CO), Verde (CO) and the Wetherill (NM) soils. <br />Altega and Amal soils: aze dry in Mav and June. <br />Buick soils: formed in polylithologic material in which a younger soil is superimposed over a paleosol. <br />Chita soils: have calcic horizons above 40 inches and are dry in May and June. <br />Empedro and Wetherill soils: are greater than 40 inches to the base of the azgillic horizon. <br />Keiser soils: have average clay content of 34 to 43 percent. <br />Klinedraw and Sharps soils: have a pazalithic contact at depths of 20 to 40 inches. <br />Moncha soils: have hues of SYR and redder. <br />Oshoto soils: have mean annual soil temperatures colder than 53 degrees F. and are moist March to <br />June. <br />Pulpit, Roubideau, and Verde soils: have a lithic contact at depths of 20 to 40 inches. <br />http://ortho. fhu.nres.usda.gov/cgi-bin/osd/osdname. cgi?-P <br />4%L~/2V V 4 <br />