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A horizon: <br />Hue: 10YR or 7.5YR <br />Value: 3 to 5 dry, 3 or 4 moist <br />Chroma: 2 to 4 <br />Texture: loam or clay loam <br />Bw horizon: <br />Hue: 5YR, 7.5YR, or 10YR <br />Value: 4 to 6 dry, 3 to 5 moist <br />Chroma: 3 to 6 <br />Texture: loam or clay loam <br />Bk horizon: <br />Hue: 5YR, 7.5YR, or 10YR <br />Value: 5 to 8 dry, 4 to 7 moist <br />Chroma: 3 to 5 <br />Texture: loam, silty clay loam, clay loam, or sandy clay loam <br />Calcium carbonate: 15 to 50 percent with more than 5 percent visible carbonates. <br />COMPETING SERIES: These are the Abra (AZ), Bighams (AZ), Bowdish (CO), Copeman (WY), <br />Creel (NM), Harvey (NM), Hernandez (NM), Honlu (UT), Numa (CO) and Pultney (CO) series. Abra <br />soils do not have a cambic horizon and have a calcic horizon at a depth of less than 20 inches. <br />Bighams, Bowdish, Creel, and Pultney soils have a lithic or paralithic contact at 20 to 40 inches. <br />Copeman, Harvey, and Honlu soils have a calcic horizon at a depth of less than 24 inches. <br />Hernandez soils are 9 to 12 inches deep to the calcic horizon. Numa soils do not have a cambic <br />horizon and in addition are moist for longer periods in the spring.GEOGRAPHIC SETTING: Darvey <br />soils are on hills, fan terraces and valley fills. Slope is 0 to 5 percent. The soils formed in alluvium <br />derived from calcareous sandstone and shale and limestone. The elevation is 4,500 to 6,500 feet. <br />The mean annual precipitation is 10 to 13 inches, but has ranged to 17 inches in the past. The <br />mean annual soil temperature ranges from 48 to 59 degrees F. The frost -free period is about 150 <br />to 190 days. <br />GEOGRAPHICALLY ASSOCIATED SOILS: These are the Asparas, Deama, La Fonda, Pastura, <br />and the competing Harvey soils. Asparas soils have an argillic horizon. Deama soils are shallow to <br />limestone. La Fonda soils lack calcic horizons. Pastura soils have petrocalcic horizons. <br />DRAINAGE AND PERMEABILITY: Well drained; slow runoff; moderate permeability. <br />USE AND VEGETATION: Used mainly for rangeland. The vegetation is sideoats grama, black <br />grama, blue grama, soapweed, and sacahuista. <br />DISTRIBUTION AND EXTENT: Southeastern and south - central New Mexico. The soils are of <br />moderate extent. <br />LRA OFFICE RESPONSIBLE: Temple, Texas <br />SERIES ESTABLISHED: Chaves County (North Part), New Mexico, 1981. <br />REMARKS: Diagnostic horizons and features recognized in this pedon are: <br />Attachment 2.04.9 -3 -16 <br />