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• <br />Table 3 <br />Summary of Ground Water Monitoring Yells, <br />Seneca II Mine, Routt County, Colorado <br /> Coordinates Ground Analytical <br />Well No. Formation Yell Casing Surface Parameter <br />(Computer No.) South Eest Completed In Depth Diameter Elevation Remarks List <br /> (ft) (in) (ft) NS - Not Sampled <br /> <br />GW-S1-U (WM0001) 10509.506 9909.789 Wadge Underburden 80.0 4 7014.12 Well destroyed (bet~een <br /> 9/20/82 and 10/29/82) NS <br />GW-S2-U (YM0002) 70888.446 10371.819 Madge Underburden 80.6 4 7075.37 Monitors fly ash pit NS <br />GW-SS-TC (WM0005) 15420.16 7918.34 Trout Creek S.S. 590.0 6 6632.48 Shop cell Short <br />GW-56-U (WM0006) 19944.732 9474.757 Wadge Underburden 267.0 3 6675.4 Bailer stuck in hole NS <br />GW-56-A (WM0007) 19944.732 9474.757 Little Grassy 78.0 2 6675.4 Short <br /> Creek Alluvium <br />GW-S7-YCO(WN0008) 21476.843 14049.188 Wolf Creek Overburden 740.0 3 7428.89 Short ~i <br />GW-SB-U (WM0009) 27835.254 12122.560 Wadge Underburden 300.0 3 7062.46 NS <br />GW-58P1-U(WM0010) 27864.350 72166.013 Wadge Underburden 300.0 2 7062.46 Short <br />GN-S9-WC (WM0011) 20723.81 17968.87 Wolf Creek Coal 35.0 4 8012.97 Removed by mining NS <br /> winter 86/87 <br />GW-SIO-YC(WM0012) 20809.93 19241.65 Wolf Creek Coal 86.0 5 8036.78 Upgradient of mining NS <br />GN-511-U (WM0013) 22996.045 10027.941 Wadge Underburden 264.0 3 6754.56 Short <br />GW-514-WC(WM001L) 27944.56 18991.11 Wolf Creek Coel 778.0 4 7920.66 Upgradient of mining NS <br />GY-SIS-WC(YM0015) 21581.10 79531.54 Yo Lf Creek Coal 713.0 4 7927.29 Upgradient of mining NS <br />GW-S16-W (WM0016) 77426.13 8881.42 Wadge Coal 147.0 4 6633.29 NS <br />GW-S17-W (WM0017) 17421.73 8892.94 Wadge Coal 739.0 4 6633.23 Long <br />GY-S78P7-LWI 17478.62 8902.19 Lennox-Madge 126.0 1 6633.05 Yell failed; monitoring <br />(WM0018) Interburden discontinued NS <br />GW-S18P2-W 77418.62 8902.1 Wadge Coal 736.0 7 6633.05 Well failed; monitoring <br />(WM0019) discontinued NS <br />GW-S18P3-U 17418.62 8902.79 Wadge Underburden 142.0 7 6633.05 Well failed; monitoring <br />(WM0020) discontinued NS <br />