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<br />TABLE 15-2 <br />Ground Water Monitoring Site Summary <br />Seneca II-W Mine <br /> <br /> <br />Well No <br />(Computer ID) Coordinates <br />South West <br />Formation <br />Completed In <br />Well <br />Depth <br />Iftl <br />Casing <br />Diameter <br />(inl <br />Surface <br />Elevation <br />fftl <br />Remarks <br />Ground <br />Water <br />Duality Sample <br />GW-S2W-1 W 27404.38 23603.40 Watlge Coal 408.1 5 7246.62 Annular seal lailetl No <br />(WWII Well abantloned 9/94 <br />GW~52W~lOV 27404.38 23603.40 Lennon Overburden 183.0 1 7246.62 Annular seal failed, No <br />tyrrpy7l Well abandoned 9/94 <br />GW~52W-2WC 42794.55 25920.93 Woll Creek Coal 782.0 2 7105.70 Annular seal /ailed, No <br />IWWC21 Well abandoned 9/94 <br />GW-S2W-2W 42794,55 25920.93 Watlge Coal 594.5 2 7105.44 Annular seal /ailed. No <br />IWW21 Well abandoned 9/94 <br />GW~S2W-20V 42794.55 25920.93 Lennon Overburden 321.0 1 7105.44 Annular seal failed, No <br />(WOV21 Well abandoned 9/94 <br />GW-52W~3EW 35183.35 22467.27 Wedge Coal 246.2 2 7780.00 Annular seal laded, No <br />IWW3E1 Well abandoned 9194 <br />GW-S2W-3EI 35163.35 22467.27 Watlge-WOII Creek 392.0 0.75 7780.00 Annular seal laded, No <br />IWWU3E1 Interburden Well abantloned 9/94 <br />GW-S2W-3EWC 35183.35 12467.27 Wol( Creek Coal 450.9 2 7780.00 Annular seal /ailed, No <br />IWWC3E1 Annular seal ladetl, <br />GW~92W~3WC 35204.65 22519.69 Wolf Creak Coal 458.8 5 7779.22 No <br />IWWC31 <br />GW-S2W-3W 35184.00 22523.32 Wedge Coal 257.0 4 7779.17 No <br />IWW31 <br />GW~52W-30V 35184.00 22523.32 Wedge Overburden 124.0 0.75 7779.17 Dry well No <br />(WOy gl Monitoring stopped <br />GW-S2W 4W <br />IWW41 <br />GW-S2W-40V1 <br />IWOV4-11 <br />GW-S2W-4WC <br />IWW041 <br />GW-52W-40V2 <br />twovs-zl <br />49034.05 20175.61 Watlge Coal <br />49034.05 <br />49057.77 <br />20175 67 Watlge Overburden <br />20149.75 Wolf Creek Coal <br />and Wad9e~Wolf <br />Creak Interburden <br />49057.77 20149.75 Wedge Overburden <br /> 10188 <br />132.6 4 8105.77 Monitoring stopped Yes <br /> 70186, resumed 1997 <br />117.7 1 8105.77 Monitoring stopped Yes <br /> 10/86, resumetl 1997. <br />306.9 5 8108.26 Monitoring stopped Yes <br /> 10/86, resumed 1997 <br />79.0 0.75 8108.28 Monitoring stopped No <br /> 10166, resumed 1997. <br />13 Revised 3/99 <br />