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SubTerra, Inc. CYVCC-Foidel Creek MineSubsidence,.. . -. .. -,,, March-23, 1993 - _ <br /> <br />• Prediction of Subsidence For the Eastern Expansion to <br />Twentymile Coal ComQanv's -Foidel Creek Mine <br />Section Description Page No. <br />Table of Contents i <br />List of Figures ii <br />List of Drawings ui <br />List of Tables iv <br />1.0 Mine Subsidence and Related Displacements 1 <br />1.1 Mechanics of Mining Subsidence due to Longwall Undermining 1 <br />1.1.1 Surface Subsidence 1 <br />1.1.2 Overburden Deformation 1 <br />1.2 Approach to Predicting Subsidence in the Study Area 2 <br />1.3 Analysis of Existing Subsidence Data 3 <br />1.3.1 Transverse Profiles 4 <br />1.3.2 Start Profiles 4 <br />].3.3 Travelling or Dynamic Profiles 5 <br />1.4 Single Panel Predictions S <br />1.5 Sewnd and Subsequent Panel Predictions b <br />• <br />1.6 Strain Predictions in Areas of Shallow Cover 7 <br />2.0 Subsidence Predictions 7 <br />2.1 Railway Line 8 <br />2.2 Dual Power Transmission Lines 8 <br />2.3 Fish Creek, Foidel Creek, and Middle Creek 9 <br />2.4 County Road 9 <br />3.0 References <br />• <br />9 <br />i <br />