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MINING PLAN (changed) <br />production separate so each owner receives the appropriate royalties it is necessary to establish two <br />mining areas until the operation can return to mining on only one ownership. <br />To define these separations, three "Areas" are established. These should not be confused <br />with phases as used in most situations. These areas are not phases, but are defined by separate <br />ownerships and essentially delineate mining locations that must be kept separate with respect to <br />production. These three areas wilt be operated in the following fashion. <br />Area A: Area A contains the existing quarry and the remaining quartzite that was originally <br />included in Phase 1. It also includes the 50 foot setback between the Phase 1 area and the <br />unpermitted land to north that is now being added to the permit. Area A will be mined using an <br />approach essentially the same as that originally conceived for Phase 1, with one exception. A road <br />will be completed along the west side of Area A to provide access [o Area B. Area A is owned by <br />the State of Colorado and has a separate royalty arrangement from Area B. <br />Area B: Area B will be initiated shortly after approval of this amendment and as soon as the <br />road is finished to access this land. A cut will be made on the southern end of Area B. This cut will <br />be the initial cut that will eventually expand to include all of Area B and continue eastward through <br />Area C. Area B is owned by the U. S. Bureau of Land Management. <br />Area C: Area C is owned by the State of Colorado. Area C may not be started until <br />Area B is completed. In that case, the mining in Area B will simply lapse over into Area C and <br />proceed. However, if production in Area B cannot meet the demand all by itself, then it may be <br />necessary to "leap frog" into Area C with a merging of the two areas in a fashion similar to the <br />Area A and B merger. Based upon examination of the volumes left in Area A and the volume in <br />Area B, it appears more likely that Areas A and B will merge close to the time when the Area C <br />boundary is reached. <br />Conclusion: Summarizing these three discussions, for some period of time Area A and <br />Area B will be operated at more or less the same time. Area A will eventually merge into Area B at <br />the southern boundary of Area B. Area C will most likely be initiated by simply extending Area B <br />through the boundary between Areas B and C. This appears to be the most likely scenario, but it is <br />possible the synchronization may not occur precisely as desired. All of this is necessary to comply <br />with royalty requirements in the leases from the two land owners. <br />Overburden/Topsoil Salvage and Storage (minor manses) <br />There actually isn't any overburden on this material. The soil is the overburden. Therefore, <br />this section will only address soil salvage. However, as indicated in the Soils Information (Exhibit <br />I), not all of the soil profile contains good topsoil. Over much of the area, depending on the soil <br />series, soils below about 18" to 24" contain considerable calcium carbonate and have a moderately <br />to seriously alkaline reaction. Although these deeper, more alkaline soils could be used in <br />revegetation, separating the upper, more neutral layers from the lower more alkaline layers will <br />greatly increase the probability of success in revegetation. Dealing with alkalinity in a revegetation <br />environment such as this one would present considerable challenge and would probably slow the <br />revegetation process and could limit the vegetation that could be grown. <br />In recognition of these structural features in the soil, the salvage process must separate the <br />upper, much more favorable soils from the deeper, less favorable soils. Hereafter, the upper <br />Table Mountain Quarry -Castle Concrete Company Exhibit D (Amendment 1) Page 4 <br />