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Mr. Steve Hinkemeyer <br /> September 16, 2020 <br /> Page 10 <br /> • Dumping operations should be suspended and the operational strategy reconsidered if <br /> displacements of greater than 1 ft/day are noted anywhere along the crest of the newly <br /> deposited spoil zones. <br /> • Lastly, given the placement location of the spoil pile atop the overburden above the J-Pit <br /> highwall mining zones, the surcharge from the existing spoils should be considered in <br /> designing the J-Pit highwall mining panels. The spoils pile, in its currently proposed form, <br /> is far enough from the crest of either pit to avoid affecting their highwall slope stability. <br /> Sincerely, <br /> Samrat Mohanty <br /> Sr. Associate <br /> smohanty@agapito.com <br /> SM/TV:klg/smvf <br /> Transmitted as a PDF via e-mail <br /> Agapito Associates, Inc. <br />