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PIEZOMETER INSTALLATION SKETCH <br />BORING NUMBER P-20 INSTALLED BY JGF DATE 7-9-82 <br />PIEZOMETER NO. P-20 CHECKED BY JWN DATE 9-9-82 <br />SAMPLE POINT NO. 28 COORDINATES N 100,860 E 115,335 <br />CAP <br />TOP OF PIPE <br />EL. 8874.6 <br />to <br />v <br />11/2 DIAMETER <br />S C H. 40 <br />PVC PIPE <br />PEA GRAVEL <br />4" DIAMETER <br />BORING <br />BENTONITE SEAL <br />4.7' SLOTTED <br />LENGTH <br />(0.010" SLOTS) <br />BENTONITE SEAL <br />RM82-1544 <br />u <br />N <br />_ <br />N <br />to <br />O <br />N <br />O <br />N <br />0 <br />SAND <br />D_ e <br />iO p e <br />°e SAND <br />o e <br />o. 3" DIAM. BORING <br />oe <br />'O <br />7o0 <br />0 <br />0 <br />C6 <br />M <br />U111117 iiiiiji <br />