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S y <br /> Ouray Silver Mines, Inc. <br /> 1900 Main St. Unit 1 <br /> PO Box 564 <br /> Ouray,CO 81427 <br /> CA}R.AY S 11,r <br /> To: Colorado Division of Reclamation, Mining& Safety W01 v <br /> 1313 Sherman Street, Rm 215 <br /> Denver, CO 80203 <br /> From: Brian K. Briggs, P.E., Chief Executive Officer <br /> Date: September 6, 2021 <br /> Subject: SW-22 Visually Contingent Monitoring August 2021; Revenue Mine,Technical Revision <br /> No. 12 to DRMS I I2(d)Mining Permit# M2012-032 <br /> Dear Mr. West, <br /> Ouray Silver Mines Inc.(OSMI) performed visual monitoring for contingent DRO sampling at SW-22 <br /> (upgradient side of the main bridge over Sneffels Creek)on August 31,2021. No sheen was observed, <br /> and therefore no sample was taken for analysis. Given DRMS's anticipated approval of TR12, including <br /> eliminating SW-22 monitoring and plugging and abandoning GW-4,this is expected to be the last report <br /> on visually contingent sheen monitoring at SW-22. <br /> Please do not hesitate to cal I me with concerns or questions at 970-325-9830. <br /> Sincerely, <br /> 1 T� <br /> Brian K. Briggs PE <br /> CEO,Ouray Silver Mines Inc. <br /> Attachments: <br /> August 31, 2021 SW-22 VC DRO Monitoring Field Notes <br /> Phone: (970)325-9830 4- Fax: (970)325-9824 <br />