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GROUND LEVEL <br />7828.5 FT„ EL. <br />770.02 FEET <br />MDW E1-11.5 <br />METHANE DRAINAGE WELL <br />X� <br />Icy - <br />68.09 FEET <br />f-- VALVE <br />lX <br />x <br />19 INCH HOLE FOR SURFACE <br />CASING DRILLED 21 FEET <br />14 INCH DIAMETER SURFACE <br />CASING INSTALLED TO 21 FEET <br />x <br />x <br />x <br />x <br />x <br />x <br />x <br />x <br />x <br />i <br />75.0 FEET i <br />TVD 845.02 FEET <br />7 INCH CASING <br />NDED 267.87 FEET SOUTH & <br />_T198.68 FEET EAST OF COLLAR <br />25 FEET �— MINING <br />DIRECTION <br />SEAM <br />12.25 INCH DIAMETER HOLE, <br />HAMMER DRILLED FROM 21 TO 264 FEET, <br />MOTOR DRILLED FROM 264 TO 845 FT <br />9 5/8 INCH STEEL CASING, <br />SURFACE — 832.03 FEET <br />8 3/4 INCH HOLE, HAMMER DRILLED <br />845 — 920 FEET <br />156.06 FEET OF 7 INCH STEEL CASING <br />(41.68 FEET BLANK, 113.13 FEET SLOTTE <br />1.25 FEET BACK—OFF). NOT CEMENTED I <br />BOTTOM OF CASING 920 FEET <br />