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Map Unit Description (Brief, Generated) <br /> Las Animas County Area, Colorado, Parts of Huerfano and Las Animas Counties <br /> Map unit: Ap - Apache cobbly loam, 5 to 25 percent slopes, stony <br /> Component: Apache (85%) <br /> The Apache component makes up 85 percent of the map unit. Slopes are 5 to 25 percent. This component is on <br /> lava plateaus, scarps. The parent material consists of residuum weathered from basalt. Depth to a root restrictive <br /> layer, bedrock, lithic, is 10 to 20 inches. The natural drainage class is well drained. Water movement in the most <br /> restrictive layer is very low. Available water to a depth of 60 inches(or restricted depth)is very low. Shrink-swell <br /> potential is low. This soil is not flooded. It is not ponded. There is no zone of water saturation within a depth of 72 <br /> inches. Organic matter content in the surface horizon is about 2 percent. This component is in the R049XB204CO <br /> Shallow Foothill ecological site. Nonirrigated land capability classification is 6e. This soil does not meet hydric <br /> criteria. The calcium carbonate equivalent within 40 inches, typically, does not exceed 13 percent. There are no <br /> saline horizons within 30 inches of the soil surface. <br /> Map unit: AR - Calcidic Argiustolls-Rock outcrop complex,40 to 60 percent slopes <br /> Component: Calcidic Argiustolls(65%) <br /> The Calcidic Argiustolls component makes up 65 percent of the map unit. Slopes are 40 to 55 percent. This <br /> component is on hillslopes on lava plateaus. The parent material consists of colluvium. Depth to a root restrictive <br /> layer, bedrock,paralithic, is 40 to 72 inches. The natural drainage class is well drained. Water movement in the <br /> most restrictive layer is moderately low. Available water to a depth of 60 inches(or restricted depth)is low. <br /> Shrink-swell potential is moderate. This soil is not flooded. It is not ponded. There is no zone of water saturation <br /> within a depth of 72 inches. Organic matter content in the surface horizon is about 3 percent. This component is <br /> in the R070XY07000 Basalt Breaks ecological site. Nonirrigated land capability classification is 7s. This soil <br /> does not meet hydric criteria. The calcium carbonate equivalent within 40 inches, typically, does not exceed 20 <br /> percent. <br /> Component: Rock outcrop(15%) <br /> Generated brief soil descriptions are created for major soil components. The Rock outcrop is a miscellaneous <br /> area. <br /> Map unit: CpC - Capulin loam, 1 to 6 percent slopes <br /> Component: Capulin (85%) <br /> The Capulin component makes up 85 percent of the map unit. Slopes are 1 to 6 percent. This component is on <br /> fan remnants on lava plateaus. The parent material consists of alluvium derived from igneous and sedimentary <br /> rock. Depth to a root restrictive layer is greater than 60 inches. The natural drainage class is well drained. Water <br /> movement in the most restrictive layer is moderately high. Available water to a depth of 60 inches(or restricted <br /> depth)is moderate. Shrink-swell potential is moderate. This soil is not flooded. It is not ponded. There is no zone <br /> of water saturation within a depth of 72 inches. Organic matter content in the surface horizon is about 2 percent. <br /> This component is in the R07OXY071 CO Basalt Loam ecological site. Nonirrigated land capability classification is <br /> 4e. Irrigated land capability classification is 4e. This soil does not meet hydric criteria. The calcium carbonate <br /> equivalent within 40 inches, typically, does not exceed 18 percent. There are no saline horizons within 30 inches <br /> of the soil surface. <br /> Survey Area Version:19 <br /> Survey Area Version Date:09/23/2016 Page 2 <br />