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Custom Soil Resource Report <br /> Washington County, Colorado <br /> 7—Ellicott-Ellicott sandy-skeletal complex, 0 to 3 percent slopes, rarely <br /> flooded <br /> Map Unit Setting <br /> National map unit symbol: 2xsth <br /> Elevation: 3,950 to 5,960 feet <br /> Mean annual precipitation: 13 to 17 inches <br /> Mean annual air temperature: 50 to 54 degrees F <br /> Frost-free period: 135 to 165 days <br /> Farmland classification: Not prime farmland <br /> Map Unit Composition <br /> Ellicott, rarely flooded, and similar soils: 65 percent <br /> Ellicott sandy-skeletal, rarely flooded, and similar soils: 25 percent <br /> Minor components: 10 percent <br /> Estimates are based on observations, descriptions, and transects of the mapunit. <br /> Description of Ellicott, Rarely Flooded <br /> Setting <br /> Landform: Flood plains on intermittent streams, drainageways <br /> Down-slope shape: Linear <br /> Across-slope shape: Concave <br /> Parent material: Noncalcareous, stratified sandy alluvium <br /> Typical profile <br /> A - 0 to 4 inches: sand <br /> AC-4 to 13 inches: sand <br /> C1 - 13 to 30 inches: sand <br /> C2-30 to 44 inches: sand <br /> C3-44 to 80 inches: coarse sand <br /> Properties and qualities <br /> Slope: 0 to 3 percent <br /> Depth to restrictive feature: More than 80 inches <br /> Natural drainage class: Excessively drained <br /> Runoff class: Negligible <br /> Capacity of the most limiting layer to transmit water(Ksat): High to very high <br /> (13.00 to 39.96 in/hr) <br /> Depth to water table: More than 80 inches <br /> Frequency of flooding: Rare <br /> Frequency of ponding: None <br /> Salinity, maximum in profile: Nonsaline to very slightly saline (0.1 to 2.0 <br /> mmhos/cm) <br /> Available water storage in profile: Very low (about 2.1 inches) <br /> Interpretive groups <br /> Land capability classification (irrigated): 4e <br /> Land capability classification (nonirrigated): 7s <br /> Hydrologic Soil Group. A <br /> Ecological site: Sandy Bottomland (R067BY031 CO) <br /> Hydric soil rating: No <br /> 13 <br />