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Custom Soil Resource Report <br /> 36—Pettingell-Rogert-Rock outcrop complex, 30 to 80 percent slopes <br /> Map Unit Setting <br /> National map unit symbol: k6hz <br /> Elevation: 7,900 to 9,700 feet <br /> Mean annual precipitation. 18 to 24 inches <br /> Mean annual air temperature: 37 to 45 degrees F <br /> Frost-free period: 25 to 90 days <br /> Farmland classification: Not prime farmland <br /> Map Unit Composition <br /> Pettingell and similar soils: 50 percent <br /> Rogert and similar soils: 20 percent <br /> Rock outcrop: 15 percent <br /> Minor components: 15 percent <br /> Estimates are based on observations, descriptions, and transects of the mapunit. <br /> Description of Pettingell <br /> Setting <br /> Landform: Mountain slopes <br /> Landform position (two-dimensional): Footslope <br /> Landform position (three-dimensional): Lower third of mountainflank <br /> Down-slope shape: Concave <br /> Across-slope shape: Linear <br /> Parent material: Micaceous colluvium derived from igneous and metamorphic <br /> rock <br /> Typical profile <br /> Al -0 to 4 inches: gravelly sandy loam <br /> A2-4 to 11 inches: very gravelly loam <br /> Bw- 11 to 18 inches: very gravelly sandy loam <br /> BC- 18 to 37 inches: very cobbly coarse sandy loam <br /> C-37 to 60 inches: extremely stony sandy loam <br /> Properties and qualities <br /> Slope: 30 to 80 percent <br /> Percent of area covered with surface fragments: 1.0 percent <br /> Depth to restrictive feature: More than 80 inches <br /> Natural drainage class: Well drained <br /> Runoff class: Medium <br /> Capacity of the most limiting layer to transmit water(Ksat): High (2.00 to 6.00 <br /> in/hr) <br /> Depth to water table: More than 80 inches <br /> Frequency of flooding: None <br /> Frequency of ponding: None <br /> Available water storage in profile: Low(about 3.4 inches) <br /> 16 <br />