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Interoffice Memorandum <br />To: Rob Zuber <br />From: Zach Trujillo <br />Subject: Colowyo — Third Quarter 2013 South Taylor Fill Monitoring Reports <br />Date: 1/27/2014 <br />••• <br />After my review of the 2013 Third Quarter South Taylor Fill Monitoring Report for Colowyo Mine (C- 1981 -019), I find the <br />report in compliance with the following rules: <br />1. 4.09.1(11)(a) —The fill was inspected for stability by a registered engineer during the placement and compaction <br />of fill materials. <br />2. 4.09.1(11)(b) —The qualified registered engineer provided to the Division a certified report within two weeks <br />after the inspection that the fill is being constructed as specified in the design approved by the Division. The <br />South Taylor Fill was inspected on September 17, 2013 and the Third Quarter Fill Monitoring Report was <br />received by the Division on October 7, 2013. The Second Quarter Fill Monitoring Report was received within the <br />time frame as required by Rule 4.09.1. No appearances of instability, structural weakness, and other hazardous <br />conditions were noted in the report. <br />3. 4.09.1(11)(c) — Rule 4.09(11)(c) is no longer applicable during this stage of fill construction. <br />The West Taylor Fill has been completed up to the 7950' bench and fill placement continues on the upper benches. <br />Currently, the West Taylor Fill is approved for fill placement up to an elevation of 8100'. The East Taylor Fill was inactive <br />during the second quarter. Fill placement for the East Taylor Fill is up the 8000' bench and higher. The currently <br />approved final elevation for the East Taylor fill is 8200'. <br />The Second Quarter 2013 South Taylor Fill Monitoring Report for Colowyo Mine meets all rules required by the Division. <br />If you have any questions, feel free to contact me. <br />Sincerely, <br />Zach <br />