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Map Unit Description:Sphinx gravelly coarse sandy loam,warm, 15 to 40 percent slopes— Amazonite Claims 1-8 <br /> Pike National Forest,Eastern Part,Colorado,Parts of Douglas,El Paso,Jefferson,and Teller <br /> Counties;and Teller-Park Area,Colorado,Parts of Park and Teller... <br /> Pike National Forest, Eastern Part, Colorado, Parts of <br /> Douglas, El Paso, Jefferson, and Teller Counties <br /> 44—Sphinx gravelly coarse sandy loam, warm, 15 to 40 <br /> percent slopes <br /> Map Unit Setting <br /> National map unit symbol: jpjw <br /> Elevation: 6,500 to 8,000 feet <br /> Mean annual precipitation: 17 to 24 inches <br /> Mean annual air temperature: 43 to 46 degrees F <br /> Frost-free period: 70 to 100 days <br /> Farmland classification: Not prime farmland <br /> Map Unit Composition <br /> Sphinx, warm, and similar soils: 65 percent <br /> Estimates are based on observations, descriptions, and transects of <br /> the mapunit. <br /> Description of Sphinx,Warm <br /> Setting <br /> Landform: Mountain slopes <br /> Landform position(three-dimensional): Mountaintop, mountainflank <br /> Down-slope shape: Linear, convex <br /> Across-slope shape: Linear, convex <br /> Parent material. Weathered from granite <br /> Typical profile <br /> Oi-0 to 1 inches: slightly decomposed plant material <br /> A- 1 to 5 inches: gravelly coarse sandy loam <br /> AC-5 to 13 inches: very gravelly loamy coarse sand <br /> Cr- 13 to 61 inches: weathered bedrock <br /> Properties and qualities <br /> Slope: 15 to 40 percent <br /> Depth to restrictive feature: 10 to 20 inches to paralithic bedrock <br /> Natural drainage class: Somewhat excessively drained <br /> Runoff class: Very high <br /> Capacity of the most limiting layer to transmit water(Ksat): Very <br /> low to moderately low(0.00 to 0.06 in/hr) <br /> Depth to water table: More than 80 inches <br /> Frequency of flooding: None <br /> Frequency of ponding: None <br /> Salinity, maximum in profile: Nonsaline to very slightly saline(0.0 <br /> to 2.0 mmhos/cm) <br /> Available water storage in profile: Very low(about 0.9 inches) <br /> Interpretive groups <br /> Land capability classification(irrigated): None specified <br /> Land capability classification(nonirrigated): 7e <br /> Hydrologic Soil Group: D <br /> us�on Natural Resources Web Soil Survey 6/5/2017 <br /> Conservation Service National Cooperative Soil Survey Page 1 of 2 <br />