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Trapper Mining Inc., TR -117 <br />Page 12 <br />to design the ditch were based on disturbance out to the 2017 stripping line. Stripping will not <br />occur beyond this line without submittal and approval of Trapper's new five year permit term. At <br />that time, the design of the ditch and/or installation of the required sediment control structures <br />will need to be re-evaluated. Until that time, the current ditch design is adequate for the disturbed <br />areas above it. <br />Concerning item b. Trapper will not incorporate additional language into the permit at this time, <br />as subsequent permitting actions will be required for additional disturbance to occur. The <br />additional sediment control will be addressed at that time. <br />If you have any questions or comments, please contact me. <br />Sincerely, <br />Graham Roberts <br />Environmental Engineer <br />GCR [M/Permit Revisions/TR-117 Response CL.doc] <br />c File 109.2.3.4 w/o attachments <br />Revisions File <br />