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Custom Soil Resource Report <br /> Huerfano County Area, Colorado <br /> 1—Apishapa silty clay <br /> Map Unit Setting <br /> National map unit symbol: jnl9 <br /> Elevation: 5,500 to 6,000 feet <br /> Mean annual precipitation. 13 to 15 inches <br /> Mean annual air temperature: 50 to 54 degrees F <br /> Frost-free period: 135 to 160 days <br /> Farmland classification: Not prime farmland <br /> Map Unit Composition <br /> Apishapa and similar soils: 95 percent <br /> Minor components: 5 percent <br /> Estimates are based on observations, descriptions, and transects of the mapunit. <br /> Description of Apishapa <br /> Setting <br /> Landform: Terraces, alluvial fans, flood plains <br /> Landform position (three-dimensional). Tread <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Parent material: Clayey alluvium derived from shale <br /> Typical profile <br /> A -0 to 6 inches: silty clay <br /> Cg- 6 to 60 inches. silty clay <br /> Properties and qualities <br /> Slope: 0 to 2 percent <br /> Depth to restrictive feature: More than 80 inches <br /> Natural drainage class. Poorly drained <br /> Runoff class. Medium <br /> Capacity of the most limiting layer to transmit water(Ksat): Moderately low to <br /> moderately high (0.06 to 0.20 in/hr) <br /> Depth to water table: About 12 to 36 inches <br /> Frequency of flooding: Frequent <br /> Frequency of ponding. None <br /> Calcium carbonate, maximum in profile. 5 percent <br /> Gypsum, maximum in profile: 5 percent <br /> Salinity, maximum in profile: Slightly saline to strongly saline (4.0 to 16.0 <br /> mmhos/cm) <br /> Available water storage in profile: Moderate (about 7.2 inches) <br /> Interpretive groups <br /> Land capability classification (irrigated): 3w <br /> Land capability classification (nonirrigated): 6w <br /> Hydrologic Soil Group: D <br /> Ecological site. Salt Meadow LRU's A& B (R069XY03000) <br /> Hydric soil rating: Yes <br /> 14 <br />