2008-01-28_REVISION - M1997054 (28)

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Map Unit Description (Brief, Generated) Fremont County Area, Colorado Map unit: 92 - Riverwash Component: Riverwash (90%) ' Generated brief soil descriptions are created for major soil components. The Rivenvash is a miscellaneous area. Map unit: 98 -Roygorge very gravelly sandy clay loam, 25 to 50 percent slopes Component: Roygorge (85%) The Roygorge component makes up 85 percent of the map unit. Slopes are 25 to 50 percent. This component is on mountainsides. The parent material consists of residuum weathered from gneiss and/or residuum weathered from granite. Depth to a root restrictive layer, bedrock, lithic, is 8 to 20 inches. The natural drainage class is well drained. Water movement in the most restrictive layer is moderately high. Available water to a depth of 60 inches is very low. Shrink-swell potential is low. This soil is not flooded. It is not ponded. There is no zone of water saturation within a depth of 72 inches. Organic matter content in the surface horizon is about 1 percent. Nonirrigated ' land capability classification is 7e. This soil does not meet hydric criteria. The calcium carbonate equivalent within 40 inches, typically, does not exceed 3 peroent. Map unit: 104 -Shanta loam, 0 to 3 percent slopes ' Component: Shanta (85%) The Shanta component makes up 85 percent of the map unit. Slopes are 0 to 3 percent. This component is on stream terraces. The parent material consists of alluvium. Depth to a root restrictive layer is greater than 60 inches. The natural drainage class is well drained. Water movement in the most restrictive layer is moderately high. Available water to a depth of 60 inches is moderate. Shrink-swell potential is low. This soil is rarely flooded. It ~s not ponded. There is no zone of water saturation within a depth of 72 inches. Organic matter content in the surface horizon is about 2 percent. This component is in the R0498Y202C0 Loamy Foothill ecological site. Nonirrigated land capability classification is 4c. Irrigated land capability classification is 2e. This soil does not meet hydrtc criteria. The calcium carbonate equivalent within 40 inches, typically, does not exceed 3 percent. Map unit: 120 - Ustic Torriorthents, bouldery-Rock outcrop complex, 35 to 90 percent slopes ' Component: Ustic Torriorthents (55%) The Ustic Torriorthents component makes up 55 percent of the map unit. Slopes are 35 to 80 percent. This component is on mountainsides. The parent material consists of colluvium derived from granite and gneiss and/or residuum weathered from granite and gneiss. Depth to a root restrictive layer, bedrock, parelithic, is 4 to 30 inches. The natural drainage class is well drained. Water movement in the most restrictive layer is moderately low. Available water to a depth of 60 inches is very low. Shrink-swell potential is low. This soil is not flooded. It is not ponded. There is no zone of water saturation within a depth of 72 inches. Organic matter content in ' the surface horizon is about 2 percent. Noninigated land capability classification is 7s. This soil does not meet hydric criteria. The calcium carbonate equivalent within 40 inches, typically, does not exceed 1 percent. Component: Rock outcrop (30%) Generated brief soil descriptions are created for major soil components. The Rock outcrop is a miscellaneous area. Map unit: 125 -Wesix very channery loam, 5 to 40 percent slopes Component: Wesix (90%) ' The Wesix component makes up 90 percent of the map unit. Slopes are 5 to 40 percent. This component is on mountainsides, pediments, cuestas. The parent material consists of residuum weathered from limestone. Depth to a root restrictive layer, bedrock, lithic, is 7 to 20 inches. The natural drainage class is well drained. Water movement in the most restrictive layer is moderately high. Available water to a depth of 60 inches is very low. Shrink-swell potential is low. This soil is not flooded. It is not ponded. There is no zone of water saturation within a depth of 72 inches. Organic matter content in the surface horizon is about 1 percent. Nonirrigated land capability classification is 7s. This soil does not meet hydric criteria. The calcium carbonate equivalent within 40 inches, typically, does not exceed 60 percent. ' USDA Natural Resources Tabular Data Version: 4 Conservation Service Tabular Data Version Date: 12/20/2006 Page 2 of 2