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• i i <br /> Table 3 (Cont.) <br /> Summary of Ground Water Monitoring Wells , <br /> Seneca II Mine, Routt County, Colorado <br /> Ground Analytical <br />Well No. Coordinates Formation Well Casing Surface Parameter <br />(Computer ID.) South East Completed In Depth Diameter Elevation Remarks List* <br /> (ft) (in) (ft) NS - Not Sampled <br />GW-S19-W (Swig) 24333.54 9957.80 Wedge Coal 264 <br />0 4 6796 <br />73 <br /> . . Short <br />GW-S20-LWI 12365.73 8346.39 Lennox-Wadge 140.0 4 6823.44 Monitors fly ash NS <br />(SOV20) Interburden destroyed 2/83 <br />GW-S21-LWI 14235.25 8013.42 Lennox-Wadge 98.0 5 6645.59 Monitors fly ash pit, NS <br />(SOV21) Interburden monitoring discontinued 1997 <br />GW-S22-S (SSP22) 19793.08 10743.60 Spoil 48.0 2 6877.87 Not enough water to sample NS <br />GW-S23-S (SSP23) 18328.23 10410.10 Spoil 24.5 2 6824.66 Not enough water to sample NS <br />GW-S24-S (SSP24) 18663.86 10267.44 Spoil 63.5 2 6829.33 Not enough water to sample NS <br />GW-S25-S (SSP25) 17367.62 9461.82 Spoil 50.5 4 6670 <br />47 <br /> . Long <br />GW-S26-S (SSP26) 17418.02 9416.51 Spoil 43.5 4 6654 <br />81 <br /> . Long <br />GW-S27-S (SSP27) 17410.46 9351.98 Spoil 38.5 4 6637 <br />96 <br /> . Long <br />GW-S28-W (SW28) 28870.50 15547.72 Wedge Coal 61.7 2 7336.57 Removed by mining 12/80 NS <br />GW-S29-W (SW29) 27991.21 16811.67 Wedge Coal 50.0 2 7452.86 Removed by mining 5/81 <br />GW-S30-W (SW30) 27506.26 17950.77 Wadge Coal 39.0 2 7465.42 Removed b <br />minin <br /> y <br />g NS <br /> winter 85/86 <br />GW-S31-A1(SLGAL31) 16308.02 7817.49 Little Grassy Creek 61.4 2 6598 <br />67 Scree <br />ll <br /> . n co <br />apsed (3/82) NS <br /> Alluvium See GW-S31-A2 <br />GW-S31-A2 16308.02 7817.49 Little Grassy Creek 23.0 4 6598 <br />67 <br /> . Long <br />(SLGAL31A) Alluvium <br />GW-S32-A (SLGAL32) 22966.17 10054.98 Little Grassy Creek 55.2 2 6756 <br />09 <br /> . Short <br /> Alluvium <br />GW-S33-A (SGAL33) 15831.08 7046.04 Grassy Creek 40.0 4 6586.36 <br /> Long <br /> Alluvium <br />GW-S34-A (SGAL34) 15854.39 6987.23 Grassy Creek 40.0 2 6586 <br />14 <br /> . NS <br /> Alluvium <br />GW-S35-WC(SWC35) 24249.88 17745.53 Wolf Creek Coal 154.0 5 7718 <br />62 Aba <br />d <br />d <br /> . n <br />one <br />3/96 NS <br />a <br />J