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<br />Me th on e Droin age Drill Hole <br />Existing Surface <br />.24" Surface Casing <br />110' to Rock, Contact <br />Casings Grouted to <br />Drill Hole to - <br />Prevent Water Inflow <br />204' Possible Dep th <br />of Rock Contact <br />18" Methane Drainage <br />Pipeline/Casing to <br />Existing Coal Mine <br />Top of Coal Elev. 6204.3'