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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: VB - Vona loamy sand, warm, 0 to 3 percent slopes <br /> Component: Vona, warm (85%) <br /> The Vona, warm component makes up 85 percent of the map unit. Slopes are 0 to 3 percent. This component is <br /> on stabilized sand sheets,plains. The parent material consists of eolian sands. Depth to a root restrictive layer is <br /> greater than 60 inches. The natural drainage class is somewhat excessively drained. Water movement in the <br /> most restrictive layer is high. Available water to a depth of 60 inches(or restricted depth)is moderate. Shrink- <br /> swell potential is low. This soil is not flooded. It is not ponded, There is no zone of water saturation within a depth <br /> of 72 inches. Organic matter content in the surface horizon is about 2 percent. This component is in the <br /> R067BY024CO Sandy Plains ecological site. Nonirrigated land capability classification is 4c. Irrigated land <br /> capability classification is 3e. This soil does not meet hydric criteria. The calcium carbonate equivalent within 40 <br /> inches, typically, does not exceed 5 percent. There are no saline horizons within 30 inches of the soil surface. <br /> The soil has a maximum sodium adsorption ratio of 1 within 30 inches of the soil surface. <br /> Map unit: VnC - Vona sandy loam,warm, 3 to 6 percent slopes <br /> Component: Vona,warm (85%) <br /> The Vona, warm component makes up 85 percent of the map unit. Slopes are 3 to 6 percent. This component is <br /> on stablilized sand sheets on plains. The parent material consists of eolian sands. Depth to a root restrictive layer <br /> is greater than 60 inches. The natural drainage class is somewhat excessively drained. Water movement in the <br /> most restrictive layer is high. Available water to a depth of 60 inches(or restricted depth)is moderate. Shrink- <br /> swell potential is low. This soil is not flooded. It is not ponded. There is no zone of water saturation within a depth <br /> of 72 inches. Organic matter content in the surface horizon is about 1 percent. This component is in the <br /> R067BY024CO Sandy Plains ecological site. Nonirrigated land capability classification is 4e. lrrigated land <br /> capability classification is 4e. This soil does not meet hydric criteria. The calcium carbonate equivalent within 40 <br /> inches, typically, does not exceed 4 percent. There are no saline horizons within 30 inches of the soil surface. <br /> The soil has a maximum sodium adsorption ratio of 1 within 30 inches of the soil surface. <br /> Survey Area Version: 19 <br /> Survey Area Version Date,09123/2016 Page 3 <br />