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GROUNDWATER OBSERVATION DATA SHEETS OWENS BROTHERS CONCRETE CO. <br />DEL CAMINO SAND AND GRAVEL MINE <br />Acord Prope <br />MW-1 <br />Date Depth Measured <br />(Casing rim to water) <br />(ft) Rim Elev. <br /> <br />(n) Ground Elev. <br /> <br />Iftl Water Elev. <br /> <br />(R} Depth Below <br />Orig. Ground <br />(ft} Difference from <br />Historic Levels <br />(ft} Notes <br />72/12197 8.8 4799.3 4797.0 4790.5 6.5 <br />315198 9.1 4799.3 4797.0 4790.2 6.6 <br />12/20101 9.3 4799.3 4797.0 4790.0 7.0 <br />1110102 9.6 4799.3 4797.0 4789.7 7.3 <br />218102 9.8 4799.3 4797.0 4789.5 7.5 <br />3/7/02 10.0 4799.3 4797.0 4789.3 7.7 <br />4!5102 10.1 4799.3 4797.0 4789.2 7.8 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />• <br /> <br />