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utncial genes llescnpnon - wtLr.Y senes LOCATION WILEY CO+NE Established Series Rev. GB/JWB/LCC 06/2002 WILEY SERIES Yage 1 of S The Wiley series consists of very deep, well drained, moderately slowly permeable soils formed in thick, calcareous loess. Wiley soils are on hills, plains, ridges, terraces, and valley side slopes. Slopes range from 0 to 20 percent. Mean annual precipitation is about 15 inches and mean annual temperature is about 52 degrees F. TAXONOMIC CLASS: Fine-silty, mixed, superactive, mesic Aridic Haplustalfs TYPICAL PEDON: Wiley silt loam -grassland. (Colors are for dry soil unless otherwise noted). Ap--O to 4 inches; brown (lOYR 5/3) silt loam, dazk brown (lOYR 3/3) moist; weak fine granulaz structure; soft, very friable, slightly sticky and slightly plastic; slightly effervescent; moderately alkaline; clear smooth boundary. (3 to 5 inches thick) Bt--4 to 10 inches; brown (lOYR 5/3) silty clay loam, brown (lOYR 4/3) moist; moderate medium subangular blocky structure; hard, friable, slightly sticky and slightly plastic; few faint clay films on faces of peds; slightly effervescent; moderately alkaline; clear smooth boundary. (4 to 11 inches thick) Btk--10 to 18 inches; pale brown (lOYR 6/3} silty clay loam, brown (lOYR 4/3) moist; moderate medium subangulaz blocky structure; hard ,firm, moderately sticky and moderately plastic; few faint clay films on faces of peds; few medium masses of calcium carbonate; violently effervescent; moderately alkaline; clear smooth boundary. (8 to 24 inches thick) BCk--18 to 23 inches; pale brown (IOYR 6/3) silty clay loam, brown (lOYR 5/3) moist; weak medium subangular blocky structure; slightly hard, friable, slightly sticky and slightly plastic; common medium masses of calcium carbonate; violently effervescent; strongly alkaline; clear smooth boundary. (S to 10 inches thick) C--23 to 60 inches; light yellowish brown (lOYR 614) silt loam, brown (lOYR 5/3) moist; massive; slightly hard, very friable, slightly sticky and slightly plastic; violently effervescent; strongly alkaline. TYPE LOCATION: Lincoln County, Colorado; about 2050 feet east and 150 feet south of the NW comer of Sec. 22, T. 7 S., R. 56 W. RANGE IN CHARACTERISTICS: Mean annual soil temperature: 49 to 59 degrees F. Mean summer soil temperature: 70 to 75 degrees F. Depth to the base of the argillic horizon: 12 to 40 inches. Depth to visible calcium carbonate: 7 to 24 inches. Exchangeable sodium percentage ranges: 0 to 15 percent. Rock fragment content: 0 to 5 percent. http:%%ortho.ftw.nres.usda.gov/cgi-bin/osd/osdname. cgi?-P 4/29/2004