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Landform position(three dimensional):Mountaintop,interfluve <br /> Down-slope shape:Convex <br /> Across-slope shape Convex <br /> Parent material:Slope alluvium derived from tuff and/or colluvium derived from tuff <br /> Typical profile <br /> A-0 to 4 inches:extremely stony silt loam <br /> C-4 to 12 inches:extremely cobbly loam <br /> R-12 to 22 inches:unweathered bedrock <br /> Properties and qualities <br /> Slope:30 to 75 percent <br /> Depth to restrictive feature: 10 to 39 inches to lithic bedrock <br /> Natural drainage class:Well drained <br /> Runoff class:Very high <br /> Capacity of the most limiting laver to transmit water(Ksat):Moderately low to moderately high(0.06 to 0.20 in/hr) <br /> Depth to water table:More than 80 inches <br /> Frequency of f ooding:None,Frequency of ponding:None <br /> Available water storage in profile:Very low(about 0.6 inches) <br /> Interpretive groups <br /> Land capability classification(irrigated):None specified <br /> Land capability classification(nonirrigated):7e <br /> Hydrologic Soil Group:D,Hydric soil rating:No <br /> Relevant Chemical Properties <br /> Soil reaction(pH):5.6-6.5 <br /> %Calcium Carbonate:0% <br /> NRCS WSS designates the upper affected area as being entirely composed of NRCS soil unit 112, <br /> "Cryorthents-Rock outcrop complex, 50-120 percent slopes, extremely stony", with the following <br /> characteristics: <br /> NRCS Soil Unit 112: Cryorthents-Rock outcrop complex, 50 to 120 percent slopes, extremely stony <br /> Map Unit Setting <br /> National map unit symbol:jynj <br /> Elevation:8,600 to 12,000 feet <br /> Mean annual precipitation:24 to 37 inches <br /> Frost free period:40 to 70 days <br /> Farmland classification:Not prime farmland <br /> Setting <br /> Landform:Mountain slopes,ridges <br /> Landform position(two-dimensional):Summit <br /> Landform position(three-dimensional):Mountaintop,interfluve <br /> Down-slope shape:Convex <br /> Across-slope shape:Convex <br /> Parent material:Slope alluvium derived from tuff and/or colluvium derived from tuff <br /> Typical profile <br /> A-0 to 4 inches:extremely stony silt loam <br /> C-4 to 12 inches:extremely cobbly loam <br /> R-12 to 22 inches:unweathered bedrock <br /> Properties and qualities <br /> Slope: 50 to 120 percent <br /> Depth to restrictive feature: 10 to 39 inches to lithic bedrock <br /> Natural drainage class:Well drained <br /> Runoff class:Very high <br /> Capacity of the most limiting layer to transmit water(Ksat):Moderately low to moderately high(0.06 to 0.20 in/hr) <br /> Depth to water table:More than 80 inches <br /> Frequency offooding:None,Frequency ofponding:None <br /> Available water storage in profile:Very low(about 0.6 inches) <br /> Interpretive groups <br /> Page 2 of 7 <br />