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L= x~~.~ir 1--~-/~ <br />197-Torriorthents-Rock outcrop, Sandstone complex, 25 to 75 percent <br />slopes <br />Map Unit Setting <br />MLRA: 34 <br />Elevafion: 6,000 to 8,000 feet (1,829 to 2,438 meters) <br />Mean annual precipitation: 9 to i6 inches (229 to 406 millimeters) <br />Average annual air temperature: 42 to 45 degrees F. (6 to 7 degrees C.) <br />Frost-free period: 75 to 105 days <br />Map Unit Composition <br />Torriorthents and similar soils: 55 percent <br />Rock outcrop: 35 percent <br />Minor components: 10 percent <br />Component Descriptions <br />Torriorthents soils <br />Landform: Hill, mountain slope <br />Geomorphic position: Backslope <br />Parent material: Residuum and colluvium derived from sandstone and shale <br />Slope: 25 to 75 percent <br />Depth to restrictive feature: 4 to 30 inches to bedrock (lithic) <br />Drainage class: Well drained <br />Slowest permeability: About 0.60 in/hr (moderate) <br />Available water capacity: About 1.6 inches (very low) <br />Shrink-swell potential About 1.5 LEP (low) <br />Flooding hazard: None <br />Seasonal water table minimum depth: Greater than 6 feet <br />Runoff class: Very high <br />Calcium carbonate maximum: About 10 percent <br />Gypsum maximum: None <br />Salinity maximum: About 0 mmhos/cm (nonsaline) <br />Sodicity maximum: About 0 SAR (nonsodic) <br />Land capability (non irrigated): 7e <br />Typical Profile: <br />Ht-0 to 4 inches; channery sandy loam <br />H2-4 to 15 inches; very channery sandy loam, channery clay loam <br />H3-15 to 19 inches; unweathered bedrock <br />Rock outcrop <br />Slope: 25 to 99 percent <br />Depth to res6idive feature: 0 inches to bedrock (lithic) <br />Available water capacity: About 0.0 inches (very low} <br />Flooding hazard: None <br />Seasonal water table minimum depth: Greater than 6 feet <br />Runoff class: Very high <br />Salinity maximum: About 0 mmhoslcm (nonsaline) <br />Land capability (non irrigated): Ss <br />Minor Components <br />Deep Loamy Soils and similar soils <br />Composition: About 10 percent <br />Landform: Hillslope <br />Geomorphic Position: Footslope <br />