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November 29, 2011 <br />Bob Oswald <br />DRMS <br />Durango, Colorado <br />Dear Bob: <br />Surface Water <br />Ground Water <br />Greg Lewic i A 1 Ell Assn. (elates, PL <br />11541 Warrington Court Phone: (303) 346 -5196 <br />Parker, CO USA 80138 E-Mail: info@lewieki.lbiz <br />RE: Revenue Mine water sampling program <br />This letter is to confirm that the water sampling program will involve sampling from the <br />following locations for a period of five quarters: <br />CM <br />1- Upstream Sneffels Creek below Atlas Mine water junction but before Revenue Mine <br />disturbance <br />2- Upstream Atlas Mine flow before entering Sneffels Creek <br />3- Downstream Sneffels Creek below bridge <br />4- Seep from waste rock pile on Revenue Mine site <br />1- Mine water from Yellow Rose Drift <br />2- Mine water from Main drift before Yellow Rose Drift junction. <br />The sample locations have been shown on the revised Map 2, which is part of the NOI permit. <br />The 1 quarter samples have been taken and are currently in the ACZ lab for analyses. The water <br />quality parameter list was developed with Allen Sorenson and includes both total and dissolved <br />ions for all surface waters and dissolved ions for all mine waters. We understand that only <br />upland work (surface drilling) can be done until the 1 round of samples have been provided to <br />the Division. <br />Please feel free to contact me with any questions you have regarding this letter. <br />,c <br />WP' ti SPrvv, p1 _ +, iv— Co iv) m crtm r <br />RECEGV <br />DEC Ui 2011 <br />Division cr neciamation, <br />Mining and Safety <br />Sincerely, <br />Greg Lewicki, P.E. and Manager <br />Greg Lewicki and Associates <br />J) <br />