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2.05.6(6) <br />A limited extraction zone was established along the bleeder entries in the <br />vicinity of Freeman Gulch and the vent shaft in Freeman Gulch to assure <br />ancient land slides were not reactivated by subsidence. <br />Mining in low overburden areas adjacent to the possible fault trace is <br />explained in section (f)(ii)(B) above. <br />(f)(iii)(C) <br />The Operator will protect its facilities from rockfall by constructing one berm <br />at the location shown of Map 15-2 and in accordance with the design <br />presented in Volume VII, Tab 11. No other protection measures are <br />proposed. <br />Subsidence monitoring stations are not proposed to determine when the <br />potential for rockfalls might diminish. The Operator will assume rockfall <br />hazard continues for two years after an outcrop is affected by mining. <br />• (f)(iv) A detailed description of the measures to be taken to mitigate the effects of <br />any material damage or diminution of value or foreseeable use of lands <br />which may occur. <br />A subsidence handbook is presented in Volume IIIA, Exhibit 15. This <br />handbook addresses the necessity for repair and restoration as well as repair <br />and restoration procedures for surface streams, ponds, springs, <br />groundwater, landslides and roads and trails. <br />Additionally, any surface improvements (existing or permitted) which are <br />damaged or destroyed by subsidence will be restored, rehabilitated or <br />replaced by the Operator. If deemed necessary by the DRMS and the <br />surface management agency to provide for continuance of existing land <br />uses, land-surface contours affected by subsidence will be restored to pre- <br />mining conditions. <br />• <br />PR-11 2.05 - 116 - 11 /08 <br />APPRovE~ <br />