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Custom Soil Resource Report <br />San Joaquin County, California <br />256—Tokay fine sandy loam, 0 to 2 percent slopes <br />Map Unit Setting <br />National map unit symbol. hhx0 <br />Elevation: 10 to 120 feet <br />Mean annual precipitation: 15 inches <br />Mean annual air temperature: 61 degrees F <br />Frost -free period: 260 days <br />Farmland classification: Prime farmland if irrigated <br />Map Unit Composition <br />Tokay 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 Tokay <br />Setting <br />Landform: Fan skirts <br />Landform position (two-dimensional): Footslope <br />Landform position (three-dimensional): Tread <br />Down-slope shape: Linear <br />Across -slope shape: Linear <br />Parent material: Alluvium derived from granitic rock sources <br />Typical profile <br />A - 0 to 19 inches: fine sandy loam <br />Bt - 19 to 45 inches: fine sandy loam <br />C - 45 to 60 inches: sandy 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: Very low <br />Capacity of the most limiting layer to transmit water (Ksat): High (1.98 to 5.95 <br />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 water supply, 0 to 60 inches: Moderate (about 7.8 inches) <br />Interpretive groups <br />Land capability classification (irrigated): 1 <br />Land capability classification (nonirrigated): 4c <br />Hydrologic Soil Group: A <br />Hydric soil rating: No <br />Minor Components <br />Devries <br />Percent of map unit: 4 percent <br />Landform: Valley floors <br />13 <br />