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Map Unit Description: Sphinx gravelly coarse sandy loam, warm, 15 to 40 percent slopes —Pike <br />National Forest, Eastern Part, Colorado, Parts of Douglas, El Paso, Jefferson, and Teller <br />Counties <br />Map Unit Composition <br />Sphinx, wane, and similar soils: 65 percent <br />Estimates are based on observations, descriptions, and transects of the <br />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 low <br />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 to <br />2.0 mmhos/cm) <br />Available water storage in proirle: 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 />Other vegetative classification: Ponderosa pine/kinnikinnick (PIPO/ <br />ARUV) (C1140) <br />Data Source Information <br />Soil Survey Area: Pike National Forest, Eastern Part, Colorado, Parts of Douglas, <br />El Paso, Jefferson, and Teller Counties <br />Survey Area Data: Version 3, Sep 22, 2014 <br />Ten Percenter <br />r!sr)A Natural Resources Web Soil Survey 10/27/2015 <br />Conservation Service National Cooperative Soil Survey Page 3 of 3 <br />