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_ September 10, 2004 <br /> NOA Project Number: E040104A <br /> San Joaquin County Flood Control and Water Conservation District. Depth to ground water <br /> and ground-water elevation maps for Spring 1983, Fall 1998, and Spring 1999. <br /> Published biannually, Scale: 1 inch = 2 miles. <br /> U.S. Department of Agriculture, Soil Conservation Service, 1992, Soil Survey of San Joaquin <br /> County, California. <br /> U.S. Geological Survey, 1991, Geologic Map of the San Francisco-San Jose Quadrangle, Scale <br /> 1:250, 000. <br /> U.S. Geological Survey, Manteca, California, 7.5 Minute Series Topographic Map, 1952 <br /> photorevised 1987, Scale 1: 24,000. <br /> _ <br /> _ <br /> 13 <br />