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Map Unit Description (Brief, Generated) <br />Lincoln County, Colorado <br />Map unit: 155 -Midway-Rock outcrop complex, 5 to 40 percent slopes <br />Component: Midway (55%) <br />The Midway component makes up 55 percent of the map unit. Slopes are 5 to 40 percent. The parent material <br />consists of residuum weathered from clayey shale. Depth to a root restrictive layer, bedrock, paralithic, is 6 to <br />20 inches. The natural drainage class is well drained. Water movement in the most restrictive layer is low. <br />Available water to a depth of 60 inches is very low. Shrink-swell potential is moderate. This soil is not flooded. It <br />is not ponded. There is no zone of water saturation within a depth of 72 inches. Organic matter content in the <br />surface horizon is about 1 percent. This component is in the R069XY046C0 Shaly Plains ecological site. <br />Nonirrigated land capability classification is 6e. This soil does not meet hydric criteria. The calcium carbonate <br />equivalent within 40 inches, typically, does not exceed 10 percent. The soil has a slightly saline horizon within <br />30 inches of the soil surface. The soil has a slightly sodic horizon within 30 inches of the soil surface. <br />Component: Rock outcrop (30%) <br />Generated brief soil descriptions are created for major soil components. The Rock outcrop is a miscellaneous <br />area. <br />Map unit: 207 -Vonid-Midway complex, 3 to 12 percent slopes <br />Component: Vonid (55%) <br />The Vonid component makes up 55 percent of the map unit. Slopes are 3 to 12 percent. The parent material <br />consists of eolian deposits. Depth to a root restrictive layer is greater than 60 inches. The natural drainage <br />class is somewhat excessively drained. Water movement in the most restrictive layer is high. Available wafer <br />to a depth of 60 inches is moderate. Shrink-swell potential is low. This soil is not flooded. It is not ponded. <br />There is no zone of water saturation within a depth of 72 inches. Organic matter content in the surface horizon <br />is about 1 percent. This component is in the R069XY026C0 Sandy ecological site. Nonirrigated land capability <br />classification is 6e. This soil does not meet hydric criteria. The calcium carbonate equivalent within 40 inches, <br />typically, does not exceed 10 percent. <br />Component: Midway (30%) <br />The Midway component makes up 30 percent of the map unit. Slopes are 3 to 12 percent. The parent material <br />consists of residuum weathered from clayey shale. Depth to a root restrictive layer, bedrock, paralithic, is 6 to <br />20 inches. The natural drainage class is well drained. Water movement in the most restrictive layer is low. <br />Available water to a depth of 60 inches is very low. Shrink-swell potential is moderate. This soil is not flooded. It <br />is not ponded. There is no zone of water saturation within a depth of 72 inches. Organic matter content in the <br />surface horizon is about 1 percent. This component is in the R069XY046C0 Shaly Plains ecological site. <br />Nonirrigated land capabildy classification is 6e. This soil does not meet hydric criteria. The calcium carbonate <br />equivalent within 40 inches, typically, does not exceed 10 percent. The soil has a slightly saline horizon within <br />30 inches of the soil surface. The soil has a slightly sodic horizon within 30 inches of the soil surface. <br />USA Natural Resources <br />Survey Area Version: 4 <br />Conservation Service Survey Area Version Date: 12/20/2006 <br />Page 2 <br />