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short stretch of County Road 26 across Sneffels Creek to reach the Atlas TSF. The Atlas TSF has <br /> no threat of avalanches due to the terrain above it, therefore it will be used during winter <br /> operating conditions. <br /> A Tailings and Waste Rock Management Plan was developed as part of Amendment 1 and was <br /> submitted to DRMS again as Attachment 3 to TR-15. A copy of the Tailings and Waste Rock <br /> Management Plan is included in Appendix 6 of this application. <br /> 2.3.2 Waste Rock <br /> Waste rock is generated from development mining and mining ore. In addition, there is currently <br /> waste rock on the surface at the Revenue portal area from historic mining and development <br /> activities. It is expected that new waste rock will be produced at the rate of approximately 30,000 <br /> tons per year. It will be blasted rock of approximately minus 8" in size. This material is expected <br /> to be inert as it does not contain vein material. Most waste rock generated is left in the mined-out <br /> stopes as part of the mining process. See Exhibit D and Appendix 6 for mine plan details and <br /> management of waste rock. Appendix 7 includes test results for the waste rock, which shows it <br /> does not leach toxic or acid forming materials. <br /> M-2012-032 <br /> Amendment 02 Exhibit U <br /> December 2021 U-7 <br />