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Custom Soil Resource Report <br />Huerfano County Area, Colorado <br />92—Willowman gravelly sandy loam, 3 to 8 percent slopes <br />Map Unit Setting <br />Elevation:6,500 to 7,600 feet <br />Mean annual precipitation: 16 to 20 inches <br />Mean annual air temperature:48 to 52 degrees F <br />Frost-free period: 100 to 130 days <br />Map Unit Composition <br />Willowman and similar soils:90 percent <br />Minor components: 10 percent <br />Description of Willowman <br />Setting <br />Landform: Fan remnants <br />Landform position (three-dimensional):Tread <br />Down-slope shape: Linear <br />Across-slope shape: Linear <br />Parent material:Cobbly&gravelly alluvium <br />Properties and qualities <br />Slope:3 to 8 percent <br />Depth to restrictive feature: More than 80 inches <br />Drainage class:Well drained <br />Capacity of the most limiting layer to transmit water(Ksat): Moderately high to high <br />0.20 to 2.00 in/hr) <br />Depth to water table: More than 80 inches <br />Frequency of flooding: None <br />Frequency of ponding: None <br />Calcium carbonate, maximum content:40 percent <br />Maximum salinity: Nonsaline (0.0 to 2.0 mmhos/cm) <br />Available water capacity: Low(about 3.2 inches) <br />Interpretive groups <br />Land capability(nonirrigated):6s <br />Ecological site: Sandy Foothill (R049BY21000) <br />Typical profile <br />0 to 8 inches: Gravelly sandy loam <br />8 to 15 inches:Very cobbly sandy clay loam <br />15 to 21 inches:Very cobbly sandy loam <br />21 to 44 inches:Very gravelly loamy sand <br />44 to 60 inches:Very gravelly sand <br />Minor Components <br />Noden <br />Percent of map unit: 10 percent <br />12