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6/1/12 <br />Official Series Description - WILEY Series <br />Klinedraw and Sharps soils: have a alithic contact at depths of 20 to 40 n_ s. <br />Moncha soils: have hues of 5YR and redder. <br />Oshoto soils: have mean annual soil temperatures colder than 53 degrees F. and are moist March to June. <br />Pulpit, Roubideau, and Verde soils: have a lithic contact at depths of 20 to 40 inches. <br />GEOGRAPHIC SETTING: <br />Landform: plains, hills, ridges, terraces, and valley side slopes. <br />Slopes: range from 0 to 20 percent. <br />Parent material- thick, calcareous loess and eolian material. <br />Elevation: 4,000 to 6,500 feet. <br />Mean annual precipitation: 14 to 17 inches, with peak periods of precipitation in the spring and summer. <br />Mean annual temperature: 47 to 53 degrees F. <br />Mean summer temperature is 68 to 76 degrees F. <br />Frost free period: 120 to 175 days. <br />GEOGRAPHICALLY ASSOCIATED SOILS: These are the Baca and Coibv soils. Baca soils have more <br />than 35 percent clay in the argillic horizon. Colby soils do not have an argillic horizon <br />DRAINAGE AND PERMEABILITY: Well drained; low or medium runof, moderate through slow <br />permeability. <br />USE AND VEGETATION: These soils are used as grazing land and as dry or irrigated cropland. Native <br />vegetation is blue grama, western wheatgrass, green needlegrass, buffalo grass, and needleandtbread. <br />DISTRIBUTION AND EXTENT: Eastern Colorado. LRR G, MLRA 67; The series is of large extern. <br />MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Salina, Kansas <br />SERIES ESTABLISHED: Lincoln County, Colorado; about 2050 feet east and 150 feet south of the NW <br />corner of Sec. 22, T.24S., R.56W. <br />REMARKS: Diagnostic features recognized in this pedon include: <br />Ochric epipedon. the zone from 0 to 4 inches. (A horizon) <br />Argillic horizon: the zone from 4 to 18 inches. (Bt and Btk horizons) <br />Remarks: The 3/94 revision documents a change in class from Ustollic Haplargids to Aridic Haplustalfs. The <br />12/99 revision reflects a change in type location to Lincoln County, Colorado in order to be in MLRA 67. <br />Modified in January 2002 by Lee Neve to update competing series and associated soils. <br />Taxonomic Version: Second Edition, 1999. <br />National Cooperative Soil Survey <br />U.S.A. <br />https: / /soiIseries.sc.egov .usda.gov /OSD_Docs /W/WILEY.html 3/3 <br />