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Colowyo C-1981-019 <br />12 December 2006 <br />Pg 5/S <br />Air Resource Protection: -All of the areas of the mine were wet at the time of the <br />inspection so there were no problems with fugitive dust. There were also no problems <br />with fugitive dust at the coal stockpile at the Gossard Loadout. <br />Excess Spoil: -The reclaimed portions of the West Pit spoil pile were well vegetated <br />and appeared to be stable at the time of the inspection. Runoff from this portion of <br />the pile goes into the West Pit pond. No erosional problems were noted of the pile at <br />the time of the inspection. The upper portion of the pile is truck-dumped spoil. This <br />part of the pile appeared to be stable at the time of the inspection. The reclamation <br />plan calls for the top 75 feet of this pile to be hauled to the West Pit to achieve AOC. <br />This is being further addressed in Technical Revision 63. <br />- Streeter fill was covered with snow but appeared to be stable at the time of the <br />inspection. No erosional problems were noted on the fill. This pile has gone through <br />a Phase II bond release. The operator has submitted Technical Revision 64 to <br />terminate quarterly inspections for this pile. The Division issued a proposed decision to <br />approve TR-64 on 17 October 2006. The Streeter pond below, however, still receives <br />runoff from disturbed areas, so it must remain. <br />-The Section 16 Fill was not accessible at the time of the inspection due to snow. This <br />pile has gone through a Phase II bond release. The operator has submitted Technical <br />Revision 64 to terminate quarterly inspections for this pile. The Division issued a <br />proposed decision to approve TR-64 on 17 October 2006. The Section 16 Pond below <br />the fill still receives disturbed area runoff and will remain. <br />Highwall Miner: -ICG was on site and was mining the E-Seam on the east side of <br />Taylor Draw in the West Pit at the time of the inspection. They appeared to be mining <br />their third hole and were actively mining at the time of the inspection. The previous <br />two holes have not been filled but this is still acceptable based on the approved <br />highwall mining plan in the permit. ICG is mining from the north to the south and they <br />are stockpiling the coal to the north behind the operation. They have completed the <br />mining activities on the west side of Taylor Draw and all of the highwall miner holes <br />have been filled. An assessment in the office showed that no highwall miner hole <br />exceeded 900 feet on the west side of Taylor Draw. This is well short of the permit <br />area limit along that side of the mine. <br />Overall, the operations and reclamation at the Colowyo Mine are being conducted <br />in accordance with the approved plans contained within the PAP. The operation is <br />doing a good job ensuring compliance with all of the Rules. <br />