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Response to DRMS Adequacy Review — Cotter JD -8 Mine Reclamation Plan Amendment <br />the ventholes plugged permanently. This cover material will be slightly mounded so that <br />after natural compaction there will not be a depression remaining to collect any surface <br />water. This area will then be scarified and seeded. <br />The soil cover material in the areas of the proposed vent holes will be salvaged, and <br />stored adjacent to the vent hole areas, and seeded to reduce erosion potential. <br />Access roads to the ventholes will have water bars constructed as necessary to minimize <br />the potential for erosion, and then will be scarified and seeded, and then closed to <br />vehicular access unless DOE wants them left open. <br />Power lines to the mine portal and ventholes will be supplied by San Miguel Power <br />Association (SMPA). SMPA will be responsible for the initial installation to supply the <br />power lines, and the final removal of the power lines after Cotter Corporation does not <br />require power to the mine facilities. <br />Timing for the placement of seed will be directly following placement of the soil cover <br />material, prior to the cover material forming a hard crust. Preferably this will be in either <br />the spring or fall, but experience indicates that getting the seed on the soil cover material <br />soon after placement of the soil cover material is more important than the time of year the <br />seed is placed to the success of the seeding effort. A copy of the current DOE seed mix is <br />attached on the next page. <br />Page A -15 <br />