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JRN-38-2007 11:50 FROM: <br />$01-~Torriorthents•Rock outcrop, <br />e. <br />shale, complex, 25 to 75 percent <br />slopes <br />Map Unit Sett)ng <br />MaJor Land Resource Area: 34 <br />Elevation; 5,200 to 6,300 feet (1,585 to 1,920 <br />meters) <br />Msan anriua! precipitation: 8 to 10 inches (203 <br />to 254 millimeters) <br />Mean annual air temperature: 49 to 51 degrees <br />F. (9.5 to 10.5 degrees C.) <br />Freeze-free penod1140 to 160 days <br />Map Unit Composition <br />Torriorthents and Similar Soils: 70 percent <br />Rpck outcrop, Shale and similar soils: 25 <br />percent <br />Minor components: 5 percent <br />Component Descriptions <br />Torriorthents soils <br />Landscape: Uplands <br />Landform: Erosion remants, hills <br />Position pn landform: Backstops, shoulder, <br />summit <br />Parent material: Silty and clayey residuum <br />weathered from calcareous shale <br />' Slbper 25 to 75 percent <br />~~" Surface fragments: Unspecified <br />Depth to restrictive featwe: 4 to 40 inches to <br />bedrock (paralithic) <br />Drainage class: Well drained <br />Slowest permeability. .06 to 0.2 in/hr (slow) <br />Available water capacity' About 0.8 inches (very <br />low) <br />Shrink-swell potential: About 4.5 percent <br />(moderate) <br />!=tootling hazard: None <br />Ponding hazard: None <br />Seasonal high watertable depth: Unspecified <br />Runoff class: Very high <br />Ca1C1Um Carbonate maximum: About 10 percent <br />Gypsum maximum: About 4 percent <br />Salinity maximum: About i6 mmhos/cm <br />(moderately saline) <br />Sodium adsorption ratio maximum: About 4 <br />(slightly sodic) <br />Relative effective annual precipitation: <br />Unspecified <br />Ecological site: Silty Saltdesert <br />PotenGa/ native vegetation: galleta, shadscale, <br />Indian ricegrass, saline wildrye, DOUGLAS <br />RABBITBRUSH. Gardner's saltbush, <br />'~ F bottlebrush squirreltail <br />`4„~, Land capability subclass (irrigated): Unspecified <br />Land capability subclass (nonirrigated): 7c <br />T0:97a8747768 P.3~3 <br />Typical Profile: <br />A-0 to 2 inches; silty clay loam <br />C--2 to a inches; paragravelly silty clay foam <br />Cr1-d to 26 inches; weathered bedrock <br />Cr2-26 to 39 inches; weathered bedrock <br />Cr3-39 to 116 inches; weathered bedrock <br />Rock outcrop, Shale soils <br />Slope: 25 to 75 percent <br />Depth to restrictive feature: O.to 4 inches. td <br />bedrock (paralithic) <br />Available water capacdy: About 0.0 inches (very <br />low) <br />Runoff class: Very high <br />Land capability subclass (imigated):'Ungpeeified <br />Land capabildy subclass (nonirrigated): Bs <br />Minor Components <br />Ellaybee and similar soils <br />Composition: About 5 percent <br />Landscape: Unspecified <br />Landform: Erosion remants <br />Position on landform: Shoulder, summit <br />Slope: 25 to 35 percent <br />Depth to restrictive feature: 20 to 35 inches <br />to bedrock (paralithic) <br />Drainage class: Well drained <br />Ecological site: Clayey SaltdeseR <br />Distinguishing characteristics: Unspecified <br />DAD 6/03 <br />a~~ <br />~.;Ds <br />~~rBl7 <br />