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Custom Soil Resource Report <br />Frost -free period: 100 to 130 days <br />Map Unit Composition <br />Willowman and similar soils: 80 percent <br />Minor components: 20 percent <br />Description of Willowman <br />Setting <br />Landform: Fan remnants <br />Landform position (three- dimensional): Riser <br />Down -slope shape: Linear <br />Across -slope shape: Linear <br />Parent material: Cobbly & gravelly alluvium <br />Properties and qualities <br />Slope: 15 to 30 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 />Farmland classification: Not prime farmland <br />Land capability (nonirrigated): 6s <br />Hydrologic Soil Group: B <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: 15 percent <br />Rock outcrop <br />Percent of map unit: 5 percent <br />20 <br />