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I <br />1 <br />l <br />1 <br />I <br />1 <br />I <br />1 <br />PIEZOMETER INSTALLATION SKETCH <br />BORING NUMBER P-18 INSTALLED BY RLB DATE 7-2-82 <br />PIEZOMETER NO. P -18 CHECKED BY J W N DATE 9-9-82 <br />SAMPLE POINT NO. 31 COORDINATES N 100, 341 E 115,097 <br />CAP <br />N <br />M <br />11/2"DIAMETER <br />SCH. 40 <br />PVC PIPE <br />TOP OF PIPE <br />EL. 8831.5 <br />N O <br />PEA GRAVEL <br />4'VAMETER <br />BORING t <br />BENTONITE SEAL <br />F <br />CAVED MATERIAL <br />4.7 SLOTTED LENGTt <br />(0.010" SLOTS) <br />CAP <br />RM 82- 1544 <br />SAND <br />3' DIAM. BORING <br />0 <br />7 <br />N <br />low <br />