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12/23/21,3:32 PM Official Series Description-KIMERA Series <br /> TYPE LOCATION: Las Animas County, Colorado; about 5 miles south of Ninaview, Colorado; located about <br /> 500 feet north and 350 feet west of the southeast corner of sec. 26, T. 28 S., R. 52 W., Sixth Principle Meridian; <br /> Plug Hat, Colorado USGS topographic quadrangle; UTM zone 13, 658456e 4159890n; latitude 37 degrees 34 <br /> minutes 21 seconds N. and longitude 103 degrees 12 minutes 20 seconds W.,NAD 1983 <br /> RANGE IN CHARACTERISTICS: <br /> Soil moisture: <br /> The soil moisture control section: moist March through May and intermittently moist May through August. <br /> Driest December through February <br /> Moisture regime: aridic bordering on ustic. <br /> Mean annual soil temperature: 9 to 12 degrees C (48 to 54 degrees F) <br /> Mean summer soil temperature: 20 to 24 degrees C (68 to 75 degrees F.) <br /> Depth to secondary calcium carbonate: 0 to 15 centimeters (0 to 6 inches) <br /> Depth to calcic horizon: 28 to 61 centimeters (11 to 24 inches) <br /> Thickness of the calcic horizon: 30 to 49 inches <br /> Particle-size control section(weighted average): <br /> Clay content: 20 to 30 percent <br /> Sand content: 30 to 50 percent,with more than 30 percent fine and <br /> coarser sand <br /> Rock fragments: 0 to 5 percent gravel <br /> A horizon: <br /> Hue: 7.5YR or IOYR <br /> Value: 4 or 5 dry, 3 or 4 moist <br /> Chroma: 2 or 3 <br /> Texture: loam, fine sandy loam <br /> Clay content: 15 to 27 percent <br /> Calcium carbonate equivalent: 1 to 8 percent <br /> Reaction: slightly alkaline or moderately alkaline <br /> Bw horizon(where present): <br /> Hue: 7.5YR or IOYR <br /> Value: 5 or 6 dry, 4 or 5 moist <br /> Chroma: 3 or 4 <br /> Texture: loam, clay loam, silt loam <br /> Clay content: 20 to 30 percent <br /> Calcium carbonate equivalent: 5 to 15 percent <br /> Reaction: slightly alkaline or moderately alkaline <br /> Bkl, Bk2 and Bk3 horizons: <br /> Hue: 7.5YR or IOYR <br /> Value: 5 to 7 dry,4 to 6 moist <br /> Chroma: 3 to 6 <br /> Texture: loam, clay loam, silt loam, sandy clay loam <br /> Clay content: 10 to 35 percent, averaging 18 to 35 percent <br /> Rock fragments: 0 to 15 percent gravel <br /> Calcium carbonate equivalent: 5 to 35 percent,with at least one horizon having 15 percent or greater calcium <br /> carbonate equivalent <br /> EC (dS/m): 0 to 4 <br /> https://soilseries.sc.egov.usda.gov/OSD_DocsIK/KIMERA.html 2/4 <br />