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Liberty Mining, LLC <br />DRMS 110 -d Permit Application <br />October 2013 <br />The Liberty Mine will use traditional small underground mining techniques of drilling, blasting <br />and hauling using rubber tired diesel - powered equipment. The mine access portals are 12 feet <br />wide by 10 feet high with a 12 to 15 percent decline. The portals will allow access from the <br />surface to the ore production zone. The original portal is gated, locked and sealed for safety <br />and to prevent unauthorized human entry and animal incursions. The secondary portal will also <br />be fitted with a locking gate after completion of the portal. <br />Waste rock and overburden will be removed from the mine and placed on the surface in <br />designated stockpiles. The stockpile areas will include stormwater controls to greatly reduce <br />contact with the mined materials. <br />Ore and minerals removed from the mine and brought to the surface will be placed and <br />contained on a concrete ore storage pad. The mined materials will be held on the ore storage <br />pad until an adequate amount has accumulated for transportation off site to a processing facility. <br />Ore will be stored on the surface of the mine for no longer than thirty days. No processing or <br />extraction of the ore and minerals will occur on the mine site. <br />During initial mining activity, portable fans will be stationed outside the mine portal with ducts <br />running to within fifty feet of the working face of the mine. This ventilation plan will be used until <br />a second drift is complete. Dual drifts will increase ventilation air flow through the mine <br />workings. Permanent ventilation fans will then be installed in the dual drifts. Alternatively, a <br />surface hole will be drilled at a strategic point in the underground mine working to house a <br />ventilation fan. <br />Based on information from the historical use of the mine and the current exploration boreholes, <br />the stability of the formations is adequate for the use of explosives during underground mining <br />operations. Some underground areas may require localized timbering, steel sets, cribbing or <br />roof bolts with pans and/or wire mesh to stabilize fractures or jointing within the mining areas. <br />The nearest known fault is on the Granite Creek Fault Zone located approximately 11.5 miles to <br />the north of the mine. <br />Geotechnical Stability Report <br />The primary geotechnical parameters for predicting slope stability include shear strength, angle <br />of repose, weathering of rock, moisture content and stability of the underlying foundation. The <br />mining operation plan for the Liberty Mine is to utilize front end loaders or haul trucks to free <br />dump or plug dump (dumping in small piles oft the surface of the rock pile, grading the <br />material, and compacting in layers or lifts resulting in dense layers with no real particle size <br />segregation). This method of waste rock stockpiling will result in particle distribution and <br />compaction leading to increased slope stability. It can be assumed, due to the type of waste <br />rock extracted and the method of dumping that the rock pile will be fairly compacted. <br />Below are the factors considered to determine the geotechnical stability of the Libertyy Mine <br />waste rock stockpile; note that the only stockpile will be the waste rock stockpile, the ore will <br />be stored in a constructed concrete containment structure with minimal volumes. The topsoil <br />Liberty Mining, LLC Moab, Utah SMA Ref. 5321897 Page 14 <br />