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Ustic Torriorthents soils <br />Landform: Hill, ridge <br />Parent material: Colluvium and residuum derived from sandstone and shale <br />Slope: 5 to 30 percent <br />Depth to restrictive feature: Greater than 60 inches to bedrock <br />Drainage Class: Well drained <br />Slowest permeability: Moderately slow <br />Available water capacity: About 3.7 inches (low) <br />Shrink -swell potential: About 7.5 percent (high) <br />Hazard of flooding: None <br />Depth to seasonal high water table: Greater than 72 inches <br />Runoff class: High <br />Calcium carbonate maximum: About 15 percent <br />Salinity maximum: About 2 mmhos/cm (nonsaline) <br />Ecological site: Pinyon Juniper <br />Potential native vegetation: Utah juniper, two needle pinyon, galleta, Indian ricegrass, Blue <br />grama, bottlebrush squirreltail, Wyoming big sagebrush <br />Land capability subclass: (nonirrigated) 6e <br />Typical profile <br />0 to 4 inches - bouldery clay loam <br />4 to 31 inches - cobbly clay loam <br />31 to 35 inches - unweathered bedrock <br />Minor Components <br />Barx and similar soils <br />Composition: About 5 percent <br />Bowdish and similar soils <br />Composition: About 5 percent <br />Rock Outcrop <br />Composition: About 5 percent <br />Major Uses <br />Livestock grazing, wildlife habitat <br />81 - Progresso loam, 3 to 6 percent slopes <br />Section 2.04.9 Page 13 Sept. 2015 (TR -11) <br />