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AA <br /> VV' <br /> MineWater <br /> Mr. Michael Cunningham 10/23/2017 <br /> Division of Reclamation, Mining and Safety -- Denver Office <br /> Dear Mr. Cunningham, <br /> MineWater Finance LLC (MineWater), is pleased to provide this Modification to our previously <br /> filed Notice of Intent P2016-020 for prospecting at the London Mine. The only change proposed <br /> is to reflect the change of the method of plugging given the collapse within the Belden Shale unit <br /> in each of the previously constructed bore holes. Grout will still be utilized,but given that the <br /> hole has collapsed we will use thin grout to penetrate the collapse and the formation around the <br /> collapse until the hole stops taking thin grout. After that point, and 24 hours of curing, we will <br /> switch to thicker flowable grout to fill the hole to surface. <br /> The enclosed file includes the Modification (Form 2; there is no non-public information) and the <br /> grout manufacturers specification sheet. I will drop off the fee for this filing later today. <br /> I welcome the opportunity to discuss this Modification with any concerned party or with the <br /> Division. <br /> Sincerely, <br /> MineWater Finance LLC <br /> Joseph G. Harrington, President. <br /> Copy: Kelly Morgan, CDPHE <br /> Park County Board of County Commissioners <br /> MineWater LLC. 10924 Leroy Drive, Northglenn CO 80233 <br /> 720.883.6700 <br />