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CHAPTER 1 INTRODUCTION
1£®1 Longwall Mining
1£®2 Purpose and Scope
1£®2£®1 Purpose
1£®2£®2 The scope of study area
1£®3 Literature Review
1£®3£®1 Aquifer protection in ]ongwall mining
1£®3£®2 Effect of overburden depth
1£®3£®3 Hydraulic effect of panel width to overburden depth ratio
1£®3£®4 Groundwater modeling
1£®4 Research Purpose and Methodology

CHAPTER 2 GEOLOGY
2£®1 Characterization of Regional and Local Geology of Study Area
2£®1£®1 Permian-Dunkard Group
2£®1£®2 Pennsylvanian age-Monongahela Group
2£®1£®3 Quaternary system
2£®1£®4 Hydrogeology
2£®2 Lithologic and Strength Characteristics of the Overburden Strata
2£®3 Description and Construction of Study Area
2£®3£®1 Mining conditions
2£®3£®2 Site description

CHAPTER 3 DETERMINATION OF HYDRAULIC PARAMETERS
3£®1 Introduction
3£®2 Construction and Installation of Water Wells
3£®2£®1 WI water well
3£®2£®2 W2 water well
3£®2£®3 W3 water well
3£®2£®4 W4 water well
3£®3 The Installation of Water Elevation Data Logger
3£®4 Slug Test to Determine the Hydraulic Conductivity
3£®5 Water Level Data before Mining Panel B6
3£®6 Post Mining Panel B6 Water Levels
3£®7 Slug Tests to Determine the Post-mining of Panel B6 Hydraulic Conductivity
3£®8 Summary
3£®8£®1 Before mining Panel B6
3£®8£®2 Post mining Panel B6

CHAPTER 4 GROUNDWATER MODELING
4£®1 Purpose of Groundwater Modeling
4£®2 Groundwater Modeling Program
4£®3 Theory of Groundwater Modeling
4£®4 Concept Model and Grid Design
4£®4£®1 Concept model design
4£®4£®2 FEM mesh generate and boundary conditions
4£®5 Pre-subsidence Groundwater Flow System in Panel B6 and B5
4£®5£®1 Pre-subsidence hydraulic conductivities selection in model
4£®5£®2 Pre-subsidence boundary condition and water table in model
4£®6 Post-subsidence Groundwater Flow System
4£®7 Summary and Conclusions
CHAPTER 5 SUMMARY AND CONCLUSIONS
REFERENCES