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January 1998 Kerr Coal Company ' 1997Annual Hydralopy Repor[ • CO Permit No. G80~006 ~ i <br />TABLE OF CONTENTS <br />1.0 OPERATIONAL CONDITIONS ....................................... 1 <br />2.0 MONITORING AND ANALYSES ...................................... 2 <br />3.0 MINE AREA CONFINED GROUND WATER ............................ 3 <br />3.1 MINE AREA COAL AQUIFER ................................... 3 <br />3.2 MINE AREA OVERBURDEN .................................... 3 <br />4.0 MINE AREA ALLUVIAL GROUND WATER ............................ 12 <br />5.0 LOADOUT AREA ALLUVIAL GROUND WATER ...................... 15 <br />6.0 MINE AREA SURFACE WATER ...................................... 21 <br />7.0 LOADOUT AREA SURFACE WATER ................................. 29 <br />8.0 WELL INSPECTION ................................................ 31 <br />• 9.0 FUTURE MONITORING ............................................ 32 <br />10.0 ANNUAL WELL INSPECTION REPORT ............................... 33 <br />LIST OF TABLES <br />Table No. DCSCtlDtion a No• <br />1 1997 Groundwater Quality Statistics ......................... ........ 4 <br />2 Site 79-61 Historic Mine Area Coal Aquifer Water Quality Data ... ........ 6 <br />3 Site 79-1 Historic Mine Area Overburden Water Quality Data ..... ........ 8 <br />4 Sice 79-2 Historic Mine Area Overburden Water Quality Data ..... ........ 9 <br />5 Site AO-2A Historic Mine Area Alluvial Water Quality Data ...... ....... 13 <br />6 Site AP-1 Historic Loadout Area Alluvial Water Quality Data ..... ....... 16 <br />7 Site AP-2 Historic Loadout Area Alluvial Water Quality Data ..... ....... 17 <br />8 1997 Surface Water Statistics -Sediment Ponds ................ ........ 22 <br />9 1997 Surface Water Statistics -Selected Mine Area Surface Stations . ........ 25 <br />10 1997 Surface Water Statistics -Loadout Area Surface Stations ...... ....... 30 <br />11 Monitoring Well Depths .................................. ....... 31 <br /> <br />HVST%ANNU~L.0.ef~HYD0.0.FNt TenaMatriz lnc. •P.O. Box 774018 •Steamboat5 [n s Colorado 80477' 970 879~6260i <br />vein an Pr 8 , <br />