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Custom Soil Resource Report <br /> Estimates are based on observations, descriptions, and transects of the mapunit. <br /> Description of San Joaquin <br /> Setting <br /> Landform: Terraces <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 /> Ap-0 to 13 inches: sandy loam <br /> 2Bt- 13 to 20 inches. clay <br /> 2Bgm-20 to 60 inches: indurated <br /> Properties and qualities <br /> Slope.0 to 2 percent <br /> Depth to restrictive feature: More than 80 inches; 20 to 40 inches to duripan <br /> Drainage class: Moderately well drained <br /> Runoff class: Very high <br /> Capacity of the most limiting layer to transmit water(Ksat).Very low(0.00 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. Very low(about 1.6 inches) <br /> Interpretive groups <br /> Land capability classification(irrigated): 4s <br /> Land capability classification (nonirrigated): 4s <br /> Hydrologic Soil Group: D <br /> Ecological site: R017XE104CA- LOAMY CLAYPAN <br /> Hydric soil rating: No <br /> Minor Components <br /> Unnamed <br /> Percent of map unit: 2 percent <br /> Landform:Terraces <br /> Landform position(three-dimensional): Tread <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Hydric soil rating: Yes <br /> Jahant <br /> Percent of map unit:2 percent <br /> Landform:Terraces <br /> Landform position (three-dimensional):Tread <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Hydric soil rating. No <br /> Madera <br /> Percent of map unit: 2 percent <br /> Landform:Terraces <br /> Landform position (three-dimensional):Tread <br /> Down-slope shape: Linear <br /> 15 <br />