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BLUE RIBBON COAL COMPANY <br />PIEZOMETER P-S <br />4' COVER <br />4' <br />O 00 <br />6 O O <br />BENTONITE SEAL <br />__ O <br />J = O <br />G = O <br />O - O <br />~ O 2" PVC CASING WRAPPED <br />O =_ WITH GEOTEXTILE FABRIC <br />O - O <br />to•-tz• O = O <br />O _= O COAL WASTE <br />O = O <br />O O <br />O = O <br />O - O <br />00 O <br />JES 4-24-89 <br />