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• <br />Table 3 (Cont.) <br />Summary of Ground Mater Monitoring Yetls, <br />Seneca II Mine, Routt County, Colorado <br /> Coordinates Ground Analytical <br />Yell No. Formation Yell Casing Surface Parameter <br />(Computer No.) South Ees[ Completed In Depth Diameter Elevation Remarks List <br /> (ft) (in) (ft) NS N ot Sampled <br /> <br />GY-519-Y (YM0021) 24333.54 9957.80 Wedge Coal 264.0 4 6796.73 Short <br />GY-520-LYI 12365.73 8346.39 Lennox-Madge Interburd 140.0 4 6823.44 Monitors fly ash <br />(4N0022) destroyed (2/83) NS <br />GY-521-LYI 14235.25 8013.42 Lennox-Madge Interburd 98.0 5 6645.59 Monitors fly ash pit Short <br />(YM0023) <br />GY•522-5 (YM0024) 19793.08 10743.60 Spoil 48.0 2 6877.87 Not enough water to sample NS <br />GY-523-5 (YM0025) 18328.23 10410.10 Spoil 24.5 2 6824.66 Not enough water to sample NS <br />GY-S24-S (YM0026) 18663.86 10267.44 Spoil 63.5 2 6829.33 Not enough water to sample N5 <br />GY-525-5 (YN0027) 17367.62 9461.82 Spoil 50.5 4 6670.47 Long <br />Y G4-526.5 (YM0028) <br />1 17418.02 9416.51 Spoil 43.5 4 6654.81 Long <br />N GY-527-5 (YM0029) 17410.46 9351.98 Spoil 38.5 4 6637.96 Long <br />GY•528-Y (YM 0030) 28870.50 15547.72 Madge Coel 61.7 2 7336.57 Removed by mining NS <br />GY-529-Y (YM0031) 27991.21 16811.67 Wedge Coal 50.0 2 7452.86 Removed by mining <br /> (5/81) NS <br />GY-530-Y (YM 0032) 27506.26 17950.77 Madge Coal 39.0 2 7465.42 Removed by mining NS <br /> winter BS/86 <br />GY-531-A1(YM0033) 16308.02 7817.49 Little Grassy [reek 61.4 2 6598.67 Screen collapsed (3/82) NS <br /> Alluvium See GY•S31A2 <br />G4-532-A (YM0034) 22966.17 10054.98 Little Grassy Creek 55.2 2 6756.09 Short <br /> Alluvium <br />GY-533-A (YM0035) 15831.08 7046.04 Grassy Creek 40.0 4 6586.36 Long <br /> Alluvium <br />GY-534-A (YM0036) 15854.39 6987.23 Gre ssy Creek 40.0 2 6586.14 NS <br /> Alluvium <br />GY-535-YC(YM0037) 24249.88 17745.53 Wolf [reek Coal 154.0 5 7718.62 Upg radiant of mining NS <br />GY-536-YC(YM0038) 23268.41 15422.27 Wolf Creek Coel 138.0 2 7549.58 Removed by mining NS <br /> Fall 86 <br />i <br />