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Custom Soil Resource Report <br />209—Pentz-Bel Iota complex, 2 to 15 percent slopes <br />Map Unit Setting <br />National map unit symbol: 2x815 <br />Elevation: 150 to 310 feet <br />Mean annual precipitation: 17 to 21 inches <br />Mean annual air temperature: 61 to 63 degrees F <br />Frost -free period: 325 to 355 days <br />Farmland classification: Not prime farmland <br />Map Unit Composition <br />Pentz, silt loam, and similar soils: 55 percent <br />Bellota, sandy loam, and similar soils: 31 percent <br />Minor components: 14 percent <br />Estimates are based on observations, descriptions, and transects of the mapunit. <br />Description of Pentz, Silt Loam <br />Setting <br />Landform: Hills <br />Landform position (two-dimensional): Backslope <br />Landform position (three-dimensional): Side slope <br />Down-slope shape: Concave <br />Across -slope shape: Linear <br />Parent material: Colluvium and/or residuum derived from water -reworked basic tuff <br />Typical profile <br />A - 0 to 7 inches: silt loam <br />Bw - 7 to 14 inches: silt loam <br />Cr- 14 to 24 inches: bedrock <br />Properties and qualities <br />Slope: 5 to 15 percent <br />Depth to restrictive feature: 10 to 20 inches to paralithic bedrock <br />Drainage class: Well drained <br />Capacity of the most limiting layer to transmit water (Ksat): Moderately high (0.20 <br />to 0.57 in/hr) <br />Depth to water table: More than 80 inches <br />Frequency of flooding: None <br />Frequency of ponding: None <br />Maximum salinity: Nonsaline to very slightly saline (0.0 to 2.0 mmhos/cm) <br />Available watersupply, 0 to 60 inches: Very low (about 1.8 inches) <br />Interpretive groups <br />Land capability classification (irrigated): 7e <br />Land capability classification (nonirrigated): 7e <br />Hydrologic Soil Group: D <br />Ecological site: R018X1163CA - Thermic Low Rolling Hills <br />Hydric soil rating: No <br />19 <br />