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Custom Soil Resource Report <br />280—Yellowlark gravelly loam, 2 to 5 percent slopes <br />Map Unit Setting <br />National map unit symbol: hhxs <br />Elevation: 110 to 270 feet <br />Mean annual precipitation: 17 inches <br />Mean annual air temperature: 61 degrees F <br />Frost -free period: 260 days <br />Farmland classification: Not prime farmland <br />Map Unit Composition <br />Yellowlark 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 Yellowlark <br />Setting <br />Landform: Fan remnants <br />Landform position (two-dimensional): Shoulder <br />Landform position (three-dimensional): Tread <br />Down-slope shape: Linear <br />Across -slope shape: Linear <br />Parent material: Alluvium derived from mixed rock sources <br />Typical profile <br />A - 0 to 8 inches: gravelly loam <br />Bt - 8 to 39 inches: gravelly loam <br />2B/Et - 39 to 47 inches: very gravelly loam <br />3Bt1 - 47 to 54 inches: gravelly clay <br />3Bt2 - 54 to 59 inches: clay loam <br />3Bgm - 59 to 62 inches: cemented <br />Properties and qualities <br />Slope: 2 to 5 percent <br />Depth to restrictive feature: 45 to 60 inches to duripan <br />Drainage class: Well drained <br />Runoff class: High <br />Capacity of the most limiting layer to transmit water (Ksat): Very low (0.00 in/hr) <br />Depth to water table: About 36 to 48 inches <br />Frequency of flooding: None <br />Frequency of ponding: None <br />Available water supply, 0 to 60 inches: Moderate (about 7.2 inches) <br />Interpretive groups <br />Land capability classification (irrigated): 2e <br />Land capability classification (nonirrigated): 4e <br />Hydrologic Soil Group: C <br />Ecological site: R017XE103CA - LOAMY STREAM TERRACE <br />Hydric soil rating: No <br />18 <br />