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0 <br /> EXHIBIT D - Mining Plan <br /> The Mantle Pit 43 is situated on a dry ridge in the SW'�NE4 , <br /> and the SE�NE� of Section 18 , TSN , R102W of the 6th P .M. , Moffat <br /> County, Colorado . The ground cover is Mountain Big Sagebrush and <br /> native vegetation listed in Exhibit J . <br /> The gravel deposit appears to be of glacial origin and it is <br /> estimated to be at least six feet in depth over an area of <br /> roughly 6 to 7 acres . No information is available about the <br /> depth to bedrock, or if one exists at a mineable depth. Mining <br /> is estimated to begin September 1 , 1998 , and end September 1 , <br /> 2008 . <br /> There are no significant man-made features within 200 feet <br /> of the affected area, and there are no adjacent property owners <br /> within that distance . The Mantle Pit #3 is approximately ,; mile <br /> northeast of Moffat County ' s existing gravel pit permit #M-89- <br /> 035 . The present access road will be expanded to service this <br /> permit request . No other major development will be necessary for <br /> access . The access road will be graded and drained, and it will <br /> be left for ranch management purposes at the closure of this <br /> operation. (See Index Map - Exhibit B) <br /> The significant disturbances are limited to mining, <br /> crushing, storing and removal of surface mineable materials on <br /> the permitted area. No off-site facilities are involved. <br /> At the landowner ' s request , Moffat County will construct low <br /> areas within the excavation zone to collect local run-off water <br /> for livestock. If that water becomes substantial , the land owner <br /> will file for the necessary water storage rights . Outside surface <br /> water drainage will be diverted away from the pit area by berms <br /> and channels as necessary to protect sloping embankments from <br /> erosion. <br /> The topsoil depth is from 6" to 10" throughout the <br /> excavation area. This humic material will be stripped and <br /> stockpiled in an inactive portion of the Affected Area, and <br /> protected from local drainage channels , until needed for <br /> reclamation. The topsoil piles will be stabilized by seeding <br /> them with Moffat County' s approved seed-mix and application <br /> formula. Signs will be placed to identify the topsoil and to <br /> caution not to remove . <br /> Moffat County estimates that there will be no excess <br /> overburden in this operation, therefore , no substantial <br /> overburden storage piles are expected. <br /> EXHIBIT o <br />