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• Stockpiles will be seeded for stabilization against erosion. Details of this are included in the Reclamation Plan. 2.05.3(6) Overburden Experience%has shown that a portion of the overburden in mining areas require blasting for removal. Overburden is then removed by scrapers or loader and truck operation. There is approximately a 15 pie ell factor in overburden that has been removed in this area. The overburden to coa ratio throughout the mining area is 6: 1. It is anticipated that all overburden will eventually be replaced in the active mining pits and levelled completely. There will be no disposal piles left anywhere. Experience in Pits 1, 2 and 3 has shown a good match of overburden replaced to coal removed. A plan view of the mining plan is shown on the Mining Plan Map. This map gives the dimensions of the surface disturbances that will occur. The depth of the coal varies with the topography and the inclination of the coal seam. The deepest point of mining (maximum height of a highwall) will be approximately 70 f~~t. This will occur at the first box cut of Pit 4. The dimension of this first cut will be about 600' X 150' X 70'. Other dimensions throughout the mining area will vary. There are currently no explosives stored by The Rockcastle • Company. A local explosives supplier hauls in the appropriate explo- sives on an as needed basis. There are no buildings other than Rockcastle owned buildings within a two mile radius of the permit boundary, but a blasting schedule is filed as required in the local paper. However, anytime explosives are being used, "Danger, Explosives" signs are posted al on g. the haul roads into the pit where blasting is being done. 2.05.3(7) Coal Handling Structures There are no coal handling structures at The Rockcastle Company's mine. Coal is loaded directly from the pit into coal trucks and hauled to various tippling facilities in the area. 2.05.3(8) Coal Processing Waste and Non-Coal Processing Waste The Rockcastle Company's Grassy Creek Coal Mine produces neither coal processing waste nor non-coal processing waste. Therefore this section is not applicable. • 8-81 III-30.