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J. J. Dudash -2- January 22, 2008 <br />2003 Disturbance <br />TR-23 Gob Vent Borehole Disturbance 2.2 <br />TR-25 Terror Creek Exploration Hole Disturbance 4.0 <br />TR-27 Preparation Plant 4.8 <br />PR-05 Gob Vent Borehole Disturbance 1.9 <br />PR-07 B-Seam Portals 4.7 <br />MR-29 Gob Pile Geotech Holes included in TR-30 Below 0.0 <br />MR-32 Expand Coverfill Pile 0.2 <br />Subtotal 17.8 <br />2004 Disturbance <br />TR-30 Coal Mine Waste Disposal Area 19.4 <br />MR-32 Rockfall Protection Berm 1.3 <br />Subtotal 20.7 <br />2005 Disturbance <br />MR-58 Gob Vent Borehole & Road 1.9 <br />TR-41 Gob Vent Boreholes & Road 2.4 <br />MR-61 Gob Vent Hole 0.5 <br />MR-62 Gob Vent Hole 0.5 <br />Subtotal 5.3 <br />2006 Disturbance <br />TR-30 Coal Mine Waste Disposal Area 15.2 <br />TR-43 Coverfill Borrow Area 4.0 <br />MR-65 3 Gob Vent Holes 1.6 <br />MR-67 2 Gob Vent holes 1.6 <br />Refuse Area Road & Refuse Disposal 5.7 <br />Subtotal 28.1 <br />2007 Disturbance <br />TR-43 Covefill Borrow Area 0.6 <br />TR-44 Gob Pile Expansion 0.6 <br />MR-78 Seven Gob Vent Holes -Six Constructed 3.9 <br />MR-75 Geotechnical Hole 0.6 <br />TR-47, TR-48 Hubbard Creek Shaft 1.2 <br />Remaining Gob Pile #1 0.8 <br />Subtotal 7.7 <br />Total Disturbance 232.0 <br />