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' Coast Range and the Sierra Nevada, respectively Rocks composing the basement complex of the <br /> • province have not been completely defined but are believed to be metamorphic and igneous in origin <br /> ' The northern and southern portions of the Great Valley Province have been designated the <br /> Sacramento and San Joaquin Valleys, respectively <br /> Based on the General Soil Map from the San.Joaquin County Soil Survey,published by the United <br /> States Department of Agriculture Soil Conservation Service in 1992, the site area is within the <br /> Jackson-Hallenbeck-Stockton (JHS) association The JHS soils are located within basins, and <br /> generally consist of moderate to poorly drained fine textured soils The soils are generally derived <br /> from both marine and non-manne sediment, and are generally formed in alluvium derived from <br /> mixed rock sources <br /> ' The Modesto,Riverbank,Turlock Lake Formations and overlying recent alluvium are the principal <br /> source of domestic ground water in the 13,500 square-mile San Joaquin Valley Ground Water Basin <br /> ' (Basin 5-22) This basin is drained pnmanly by the San Joaquin River The nearest surface water <br /> feature in the vicinity of the property is the French Camp Slough located approximately 1,000 feet <br /> ' west of the site <br /> 1 <br /> Advanced GeoEnvironmentai,Inc <br />