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Colowyo Coa[ Company L.P. <br />Nei/son Pit <br />groundwater, except for discontinuous perched groundwater pockets, encountered during <br />mining precludes the necessity to monitor groundwater on a ridge top. Furthermore, no <br />surface water rights will be impacted by mining of the Neilson Pit. <br />6.3.3.5 Primary and Secondary Commodities <br />The primary aggregate mined from the Neilson Pit is scoria. Colowyo uses the mined <br />aggregate on the roads within Colowyo's coal mine. No secondary commodities are <br />mined at the Neilson Pit. <br />6.3.3.6 Blasting <br />No blasting will occur during mining for the purpose of extracting minerals from the <br />Neilson Pit. <br />Exhibit D -Reclamation Plan <br />The reclamation objective of Colowyo is to restore the mined pit to a land use capability <br />which will, be equal to or better than that which currently exists. Prior to mining the <br />Neilson Pit was a rock outcrop, however, after mining it will be regraded and to create a <br />stable slope which will include shrubs which will improve wildlife habitat. <br />The first objectives of all reclamation practices are to stabilize the soils, maintain <br />hydrologic and vegetation resources. In general, the long term appearance and usefulness <br />of the Neilson Pit will be similaz to that which would have been encountered prior to any <br />mining. <br />The attainment of the reclamation goals will be satisfied by the implementation of the <br />reclamation plan described below. <br />(1) Extraction of the mineral resource; <br />(2) Grading, and re-contouring of the surface to a 3:1 slope <br />(3) Shrub revegetation and restoration of the affected land to the pre-mining <br />land use. <br />Such practices are expected to result in land use capabilities and productivity levels equal <br />to or greater than those presently found prior to mining. <br />The estimate of the cost of reclamation of the proposed operations required to be covered <br />by the bond can be found in Appendix A. Weed management will continue to occur as <br />needed, to ensure the stability and success of the reclamation process. <br />Revegetation Plan <br />Once mining is concluded on the Neilson Pit the pit will be blasted and regraded to a 3:1 <br />surface. Following regrading seeding will take place. The reclamation seed mixture used <br />contains sufficient diversity for ecological stability. The seed mixture used will be a <br />mixture of Douglas or Rubber Rabbit Brush, Big Sage Brush, and Slender Wheatgrass. <br />6 <br />