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Custom Soil Resource Report <br /> Las Animas County Area, Colorado, Parts of Huerfano and Las Animas <br /> Counties <br /> TnA—Trementina silty clay loam, 0 to 2 percent slopes, cool <br /> Map Unit Setting <br /> National map unit symbol: hwl I <br /> Elevation: 5,500 to 7,500 feet <br /> Mean annual precipitation: 15 to 18 inches <br /> Mean annual air temperature: 48 to 52 degrees F <br /> Frost-free period: 120 to 140 days <br /> Farmland classification: Prime farmland if irrigated <br /> Map Unit Composition <br /> Trementina, cool, and similar soils:90 percent <br /> Minor components: 10 percent <br /> Estimates are based on observations, descriptions, and transects of the mapunit. <br /> Description of Trementina, Cool <br /> Setting <br /> Landform: Flood plains, drainageways,terraces <br /> Landform position (two-dimensional):Toeslope <br /> Landform position (three-dimensional):Tread, dip <br /> Down-slope shape: Linear <br /> Across-slope shape:Linear <br /> Parent material:Silty alluvium derived from sandstone and shale <br /> Typical profile <br /> Al -0 to 4 inches: silty clay loam <br /> A2-4 to 20 inches: silty clay loam <br /> Bw-20 to 31 inches: silty clay loam <br /> Bk-31 to 60 inches: silty clay loam <br /> Properties and qualities <br /> Slope:0 to 2 percent <br /> Depth to restrictive feature: More than 80 inches <br /> Drainage class:Well drained <br /> Runoff class: Low <br /> Capacity of the most limiting layer to transmit water(Ksat): Moderately high (0.20 <br /> to 0.60 in/hr) <br /> Depth to water table: More than 80 inches <br /> Frequency of flooding: Rare <br /> Frequency of ponding: None <br /> Calcium carbonate, maximum content: 10 percent <br /> Maximum salinity: Nonsaline to very slightly saline (0.0 to 2.0 mmhos/cm) <br /> Available water supply, 0 to 60 inches: High (about 11.4 inches) <br /> Interpretive groups <br /> Land capability classification (irrigated): 2s <br /> Land capability classification (nonirrigated): 3c <br /> Hydrologic Soil Group: C <br /> Ecological site: R049XB208C0-Clayey Foothill <br /> Forage suitability group: Loamy(G049XW017C0) <br /> 20 <br />