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2007 WATER YEAR <br />ANNUAL HYDROLOGY REPORT <br />SENECA II-W MINE <br />Table of Contents <br /> Page <br />Introduction 1 <br />Meteorological Data 2 <br />Ground Water 3 <br />Water Levels 3 <br />Ground Water Level Summary 3 <br />Ground Water Quality 4 <br />Alluvium 5 <br />Wadge Overburden 6 <br />Wadge Coal 7 <br />Sage Creek Overburden 8 <br />Sage Creek Coal 8 <br />Wolf Creek Coal 8 <br />Wolf Creek Overburden/Underburden S <br />Trout Creek Sandstone 9 <br />Comparison of Ground Water Quality to Water Use Standards 9 <br />Ground Water Quality Summary 11 <br />Surface water li <br />Hubberson Gulch / Dry Creek 13 <br />Surface Water Site SW-S2W-SG9 13 <br />NPDES 017 13 <br />• <br />