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Locking well cover <br /> Concrete apron <br /> 0 <br /> a 2' diameter fktsh threaded PVC casing <br /> Concrete seal <br /> Bentonite plug <br /> -10 <br /> 20 <br /> 2' diameter PVC 0.020' screen <br /> 30 <br /> #2/12 monterey sand <br /> 40 <br /> Borehole diameter 8' <br /> 50 <br /> 60 <br /> 70 feet Plug <br /> FIGURE 4 - WELL DESIGN Project No. <br /> Geological Genova Bakery CV 4304.1.1 - <br /> Audit Services, Inc. 749 North Sierra Nevada Street <br /> vStockton,Calif&nia" 21 March 1991 <br />