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Mr. Berhan Keffelew Division of Reclamation, Mining & Safety <br />August 12, 2013 <br />Page 2 <br />AGGREGATE <br />INDUSTRIES <br />two water storage reservoirs that have been approved by the Division of Water Resources as <br />having been lined to standards referenced in the August 1999 State Engineer Guidelines for <br />Lining Criteria for Gravel Pits. While Al believes that Metro's use of the land within its <br />easements are not subject to review or approval of the Division, Metro's use of the land in this <br />case does not change the post mining land use proposed for the remaining mine area, which <br />provides for pond, upland and wetland areas suitable for wildlife habitat and open space uses. <br />With the exception of the proposed all- weather roadway, temporary and permanent easement <br />areas will be restored by Metro in accordance with the terms of its easement agreements with <br />Al, which acknowledge AI's reclamation responsibility under its mining and reclamation <br />permit. <br />2) Where is the detailed design for the Metro waste water pipe lines? Where will the road be located for <br />the Metro Access? Would it be permanent or temporary? The Division requires a detailed map <br />showing the location of each structure labeling which ones will be permanent and which ones will be <br />temporary under the easement agreement. Would additional warranty be required to remove the <br />associated structures, and reclaim areas affected under the temporary easement? If any that will <br />remain in place must be shown in the revised plan maps. Such structures include access road, <br />pipelines etc. Please explain. <br />Metro's activities and structures and any associated disturbances within easements granted to <br />it are not related to AI's permit activities and are not subject to warranty under Aggregate's <br />permit. As noted in the response to the previous item, restoration of surface disturbances <br />within the easement areas will be in accordance with the easement agreements between <br />Aggregate and Metro. <br />The easement agreements provide for restoration of surface areas disturbed by Metro, and <br />under its existing permit, Al has, and will until released from reclamation responsibility for <br />such areas, maintain financial warranty adequate to meet reclamation obligations under the <br />permit. The Division currently holds a bond in the amount of $1,579,215.00, which is more <br />than adequate for remaining reclamation activities at the site, particularly since much of that <br />amount was for slurry wall construction which has been completed and approved by the <br />Division of Water Resources. <br />3) Where is the additional material going to come from to back fill the lake area? Would a notice in <br />accordance with Rule 3.1.5(9) be necessary to import inert fill from outside sources? Please explain <br />Sufficient material from within the permit area has been available to backfill exposed ground <br />water surface in the north pond area to date. Should additional backfill material be needed <br />which would require the import of inert fill from outside sources prior to release of the subject <br />