Laserfiche WebLink
r 1 <br />L J <br />SubTerra, Inc. <br />Twentymile Coal Company <br />PR6 Rail Line Evaluation <br />6/19/2003 <br />List of Tables <br />Table <br />No. <br />Description <br />1. Predicted Energy Spur Subsidence and Gradient Change After Panel 14-Right <br />2. Predicted Energy Spur Subsidence and Gradient Change After Panel 15-Right <br />3. Predicted Energy Spur Subsidence and Gradient Change After Panel 16-Right <br />4. Predicted Energy Spur Subsidence and Gradient Change After Panel 17-Right <br />5. Predicted Energy Spur Subsidence and Gradient Change After Panel 18-Right <br />List of Figures <br />l.. J <br />• <br />Figure <br />No. <br />Description <br />1. Twentymile Coal Company, PR6 Subsidence, Energy Spur Evaluation <br />2. Maximum Subsidence vs Width/Depth Ratio for the Foidel Creek Mine <br />3. Subsidence Prediction for 1,100-ft Deep Panels (First and Subsequent Panels) <br />4. Comparison of Predicted and Actual Subsidence From 12 and 13 Right Using <br />Ground Station (M) Data <br />5. Predicted Cumulative Subsidence From 12, 13, and 14 Right <br />6. Energy Spur Subsidence and Projected Re-Ballasted Elevation after 14-Right <br />Undermining (Stations 430 - 460). <br />7. Energy Spur Subsidence and Projected Re-Ballasted Elevation after 14-Right <br />Undermining. <br />8. Energy Spur Subsidence and Projected Re-Ballasted Elevation after 15-Right <br />Undermining (Stations 415 -445). <br />9. Energy Spur Subsidence and Projected Re-Ballasted Elevation after 15-Right <br />Undermining. <br />10. Energy Spur Subsidence and Projected Re-Ballasted Elevation after 16-Right <br />Undermining (Stations 400 - 430). <br />11. Energy Spur Subsidence and Projected Re-Ballasted Elevation after 16-Right <br />Undermining. <br />12. Twentymile Coal Company, PR6 Subsidence, Energy Spur Study, Crossing 16- <br />Right <br />Page <br />No. <br />Page <br />No. <br />