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<br /> <br />~~ r <br />Bruce Humphries <br />Page Two <br />With regard to re-mining of the eastern highwalls of the central pit, no reclamation <br />(backfilling) will take place for at least one year upon completion of re-mining, due to the <br />need for monitoring of the response of the rock in the benches and highwalls to the new <br />configuration. Further, monitoring of this response, and added field investigation of the <br />south quarry area, will determine a possible amendment to the mine plan for this area as the <br />structure of the rock will likely be similar. <br />In closing, Cooley would like to thank the Division for their patience in acceptance of this <br />report and interim mine plan. We feel that the investigation and mine plan developed by <br />Haley and Aldrich is of the highest standard and once implemented, should prove to <br />accomplish Cooley's intention and need for stabilizaation of the east highwalls. If you have <br />any questions or concerns, please call me. <br />Sincerely, <br />< B~i`Lj// ~~CZGFG~ <br />Robert B. Laird <br />Director Resources & Environment <br />as <br />cc: Dan Brindle, Jeffco Zoning Administrator <br />Bill Timmons, Vice President -General Manager <br />File <br />