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Table 3 <br />Summary of Ground Water Monitoring Wells, <br />Seneca II Mine, Routt County, Colorado <br /> <br />Well No. <br />Coordinates <br />Formation <br />Well <br />Casing Ground <br />Surface Analytical <br /> <br />Parameter <br />(Computer ID.) South East Completed In Depth Diameter Elevation Remarks List* <br /> (ft) (in) (ft) NS - Not Sampled <br />GW-S1-U (SWU1) 10509.51 9909.79 Wadge Underburden 80.0 4 7014.12 Well destroyed (between us <br /> <br />GW-S2-U (SWU2) <br />10888.45 <br />10371.82 <br />Wadge Underburden <br />80.6 <br />4 <br />7075.31 9/20/82 and 10/29/82) <br />Monitors fly ash pit, <br />NS <br /> <br />GW-SS-TC (STCS) <br /> <br />GW-S6-U (SWU6) <br />GW-S6-A (SLGAL6) <br />15420.16 <br /> <br />19944.73 <br />19944.73 <br />7918.34 <br /> <br />9474.76 <br />9474.76 <br />Trout Creek S.S. <br /> <br />Wadge Underburden <br />Little Grassy <br />590.0 <br /> <br />261.0 <br />78.0 <br />6 <br /> <br />3 <br />2 <br />6632.48 <br /> <br />6675.40 <br />6675.40 monitoring discontinued 1997 <br />Shop well <br />Short <br />Sailer stuck is hole NS <br /> <br />Short <br /> Creek Alluvium <br />GW-S7-WCO(SWU7) <br /> <br />GW-S8-U (SWUB) <br />GW-SSPI-U(SWU8P1) <br /> <br />GW-S9-WC (SWC9) 21416.84 <br /> <br />27835.25 <br />27864.35 <br /> <br />20723.81 14049.19 <br /> <br />12122.56 <br />12166.01 <br /> <br />17968.87 Wolf Creek Overburden <br /> <br />Wadge Uaderburden <br />Wedge Underburden <br /> <br />Wolf Creek Coal 140.0 <br /> <br />300.0 <br />300.0 <br /> <br />35.0 3 <br /> <br />3 <br />2 <br /> <br />4 7428.89 <br /> <br />7062.46 <br />7062.46 <br /> <br />8012.97 <br /> <br />Discontinued (plugged) <br /> <br /> <br />Removed by mining <br />Short <br />NS <br /> <br />Short <br />NS <br /> <br />GW-Sl0-WC(SWC10) <br /> <br />GW-Sil-U (SWUli) <br /> <br />GW-S14-WC(SWC14) <br />20809.93 <br /> <br />22996.04 <br /> <br />21944.56 <br />19241.65 <br /> <br />10027.94 <br /> <br />18991.11 <br />Wolf Creek Coal <br /> <br />Wadge Underburden <br /> <br />Wolf Creek Coal <br />86.0 <br /> <br />264.0 <br /> <br />118.0 <br />5 <br /> <br />3 <br /> <br />4 <br />8036.18 <br /> <br />6754.56 <br /> <br />7920.66 Winter 86/87 <br /> <br />Upgradient of mining <br /> <br /> <br />Removed by mining <br /> <br />NS <br /> <br />Short <br />NS <br /> <br />GW-SI5-WC(SWC15) <br />21581.10 <br />19531.54 <br />Wolf Creek Coal <br />113.0 <br />4 <br />7927.29 Winter 93/94 <br /> <br />Upgradieat of mining <br /> <br />NS <br /> <br />GW-S16-W (SW16) <br /> <br />GW-S17-W (SW17) <br /> <br />GW-S18P1-LWI <br />(SOV18) <br />GW-S18P2-W <br />(SW18) <br />17426.13 <br /> <br />17421.73 <br /> <br />17418.62 <br /> <br />17418.62 <br />8881.42 <br /> <br />8892.94 <br /> <br />8902.19 <br /> <br />8902.19 <br />Wedge Coal <br /> <br />Wedge Coal <br /> <br />Lennox-Wadge <br />Interburden <br />Wedge Coal <br />141.0 <br /> <br />139.0 <br /> <br />126.0 <br /> <br />136.0 <br />4 <br /> <br />4 <br /> <br />1 <br /> <br />1 <br />6633.29 <br /> <br />6633.23 <br /> <br />6633.05 <br /> <br />6633.05 Abandon 3/98 <br /> <br /> <br /> <br /> <br />ell failed; monitoring <br />discontinued <br />Well failed; monitoring <br /> <br />NS <br /> <br />Long <br />NS <br /> <br />NS <br /> <br />GW-S18P3-U <br />(SWUM <br />17418.62 <br />8902.19 <br />Wedge Underburden <br />142.0 <br />1 <br />6633.05 discontinued <br />Well failed; monitoring <br />NS <br />0 0 <br />discontinued 0 <br />Y