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TkC—Truckton sandy loam, 3 to 5 percent slopes <br /> Map Unit Setting <br /> National map unit symbol: 366c <br /> Elevation: 4,500 to 6,500 feet <br /> Mean annual precipitation. 12 to 18 inches <br /> Mean annual air temperature: 46 to 52 degrees F <br /> Frost-free period: 125 to 180 days <br /> Farmland classification. Farmland of statewide importance <br /> Map Unit Composition <br /> Truckton and similar soils: 85 percent <br /> Minor components. 15 percent <br /> Estimates are based on observations, descriptions, and transects of the mapunit. <br /> Description of Truckton <br /> Setting <br /> Landform: Hills <br /> Landform position (three-dimensional): Side slope <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Parent material: Eolian deposits <br /> Typical profile <br /> H1 -0 to 9 inches: sandy loam <br /> H2-9 to 31 inches: sandy loam <br /> H3-31 to 60 inches. loamy sand <br /> Properties and qualities <br /> Slope: 3 to 5 percent <br /> Depth to restrictive feature: More than 80 inches <br /> Natural drainage class: Well drained <br /> Runoff class: Very low <br /> Capacity of the most limiting layer to transmit water(Ksat): High (1.98 to 6.00 <br /> in/hr) <br /> Depth to water table. More than 80 inches <br /> Frequency of flooding. None <br /> Frequency of ponding: None <br /> Available water storage in profile: Moderate (about 6.3 inches) <br /> Interpretive groups <br /> Land capability classification(irrigated): 3e <br /> Land capability classification(nonirrigated): 4e <br /> Hydrologic Soil Group: A <br /> Ecological site: Sandy Plains(R067BY024CO) <br /> Hydric soil rating: No <br /> 49 <br />