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Mining Plan acres of additional disturbance would occur over the next several decades. This additional • disturbance would expand the operation into undisturbed land thus enlarging the area of disturbance about '<!5 acres (approximately 25% larger). It is the main thrust of this amendment to not only propose reclamation methods for the existing quarry area, but also to remove those approximately 25 acres of future mining from the mining plan and replace those reserves with an overezcavation process that will have no visual impact. Permit Boundary and Affected Land Boundary: The permit boundary fr~r this operation is almost identical I:o the boundary under the existing permit. A slight adjustment has bet;n made m the boundary on the north end of the operation to the north of the processing plant and shop. This adjustment is not to allow additional disturbance but to create straight permit boundary lines. The rules and regulations requires permit boundaries be marked and easily located. Under the current permit, the boundary in this area follows a broad curve and is difficult to find in the field. A straight boundary will be easier to locate. On the other band, the affected land boundary has been altered very significantly. The previous section briefly mentioned the removal of about 25 acres of land that could be mined in the future under the current plan. By altering this affected land boundary, this removal is • accomplished. That is, rather than altering the permit boundary to correspond with the affected land boundary that has, in many places, a highly irregular form, the affected land boundary will define the limits of the distwbance. Land between the affected land boundary and the permit boundary will become a buffer zone. That buffer land must remain undisturbed. hfarking of the affected land boundary will still be required but, that marking will only be done when mining is being conducted near that boundary. Of course, where the affected land and the permit boundaries are congruent, no additional marking is needed. Much of the new affected land boundary is already marked, in a sense. This edge, in most places, is the edge of the existing disturbance. In summary, although the permit area is expanded slightly by this amendment that expansion is due to the administrative requu•ements of the permit. The affected land boundary will now be congruent with the disturbance limit and will define the maximum extent of the operation. Furthermore, the affected land boundary, as defined on the maps, closely follows the current limit of disturbed land. At present, except for a few locations on the east and south side of the permit and the northwest corner, the permit boundary defines the disturbance limit of the operation. This change, effectively removes about 25 acres of undisturbed land from the mining plan. • Page 4 Pikeview Quarry Amendment Exhibit D