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Map Unh Description:Gail clay.0 to 1 perceni slopes.NILRA 17—San Joaquin Caunty, <br /> Califomla <br /> San Joaquin County, California <br /> 160—Galt clay, 0 to 1 percent slopes, AALRA 17 <br /> Map Unit Setting <br /> National map unit symbol: 2w8ca <br /> Elevalion: 10 to 140 feet <br /> Mean annual precipitation: 12 to 21 inches <br /> Mean annual air temperature: 61 to 63 degrees F <br /> Frost-free period: 250 to 300 days <br /> Farmland classification: Farmland of statewide importance <br /> Map Unit Composition <br /> Gait and similar soils: 85 percent <br /> Minor components: 15 percent <br /> Estimates are based on observations, descriptions, and transects of <br /> the mapunit. <br /> Description of Gait <br /> Setting <br /> Landform: Basin floors on Fan remnants <br /> Landform positron (two-dimensional): Toeslope <br /> Landform positron (three-dimensional): Tread <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Parent material., Clayey alluvium derived from igneous, <br /> metamorphic and sedimentary rock over cemented alluvium <br /> derived from igneous, metamorphic and sedimentary rock <br /> Typical profile <br /> A - 0 la 5 inches: clay <br /> Bss? - 5 to 13 inches: ctay <br /> Bss2- 13 to 22 inches: Gay <br /> Bss3- 22 fo 32 inches: clay <br /> 2Bkgm - 32 to 60 inches: cemented material <br /> Properties and qualities <br /> Slope: 0 to 1 percent <br /> Depth to restrictive feature: 20 to 40 inches to duripan <br /> Natural drainage class: Somewhat poorly drained <br /> Runoff class, High <br /> Capacity of the most limiting layer to transmit water(Ksat): <br /> Moderately low (0.01 to 0.14 inihr) <br /> Depth to water table: About 5 to 32 inches <br /> Frequency of flooding: Rare <br /> Frequency of ponding: Frequent <br /> Calcium carbonate, maximum in profile: 2 percent <br /> Salinily, maximum in profile: Nonsaline (0.2 to 0,5 mmhosicm) <br /> Sodium adsorption ratio, maximum in profile: 1.0 <br /> Available water storage in profile: Low(about 4.8 inches) <br /> IbiAt Natural Resources Web Soil Survey 9127r2019 <br /> Conservation Service Nationai Cooperative So Survey Page 1 of 2 <br />