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-AVCOLORADO <br />Division of Reclamation, <br />Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />3 May 2017 <br />Tonia M. Perkins, P.E. <br />Trapper Mining, Inc <br />P.O. Box 187 <br />Craig, CO 81626 <br />RE: Trapper Mining, Inc., Permit C-1981-010 <br />Quarter 2014- Horse Gulch Fill Quarterly Inspection Repor <br />Dear Ms. Perkins: <br />The Colorado Division of Reclamation, Mining, and Safety (CDRMS) has reviewed and found the <br />above referenced report to be in general compliance with the following CDRMS regulations: <br />4.09.1(11)(a) Inspected at least quarterly by a registered engineer, or other qualified professional <br />specialist in construction of earth and rockfill embankments under the direction of a <br />qualified engineer throughout the construction. <br />The certified report covers the first quarter monitoring period from January to March of 2017, and the <br />inspections were conducted by yourself, a certified engineer on 23 March 2017. <br />4.09.1(11)(b) Provide to the Division a certified report within 2 weeks after each inspection that <br />the fill has been constructed as specified in the design approved by the Division. The <br />report shall include a description of any appearances of instability, structural <br />weakness, and other hazardous conditions. <br />The inspection was conducted on 23 March 2017. The Division received the report on 30 March <br />2017. No instability, structural weakness, or other hazardous conditions were noted during this <br />inspection of the fill. The area where cracks were detected on the top south portion of the fill during <br />the first quarter of 2013 was inspected and no additional cracking was observed. Other areas were <br />differential settling has been observed in the past was inspected. The south site showed no additional <br />settling. The north site showed some additional settling. The spring discovered during the third <br />quarter of 2011 was not flowing at the time of the inspection. <br />1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 http://mining. state. co. us <br />John W. Hickenlooper, Governor I Robert W. Randall, Executive Director I Virginia Brannon, Director <br />