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EXHIBIT D <br />MINING PLAN _ ., _ <br />@rownwood'2 ~~~''• ~• ' <br />Attached are the mining plan and adequacy responses from the original <br />Brownwood Pit, which become part of this mining plan. <br />At this time it is not anticipated that the mining of Brownwood ~2 will affect <br />the the mining plan for Brownwood ~ 1. There is the possibilitiy that for <br />eoanomic reasons, the mining oP Brownwood e2 may cause the Oaner to <br />delay the gravel eztraction of Area 3 in Brownwood x 1 until mining is <br />complete in Brownwood #2 so that tine asphalt hot miz plant will act need to <br />be moved. Should this be the case, the Owner wiU file a Technical <br />Addendum to the mining plan. <br />The total area for Brownwood #2 is divided into three specific removal <br />erase es shown on Exhtbtt C. Using scrapers, the topsoil will be removed <br />from Area to end stockpiled in Area 3A. Utilizing scrapers and front-end <br />loaders es necessary, the overburden soils will be removed sequentially end <br />stored separately in Aree 3A. Approximately 6' to 12' of topsoil will be <br />removed. Overburden depths range from 4' to 7.5', please refer to Exhibit 'I', <br />Soils Information for boring logs. Send end gravel removed from Aree lA <br />will be taken to the crusher end processing arse to be set up on the east half <br />of Area 2A (see fizhibit "C"). Processed materiels will be stockpiled in this <br />same area. Movement of materiels on the site will be eccomDlished by using <br />tandem axle dump trucks. <br />Operations in Arses 2A and 3A will be conducted in a similar fashion. After <br />grovel extraction is completed in Aree 1A, topsoil end overburden from <br />Area 2A wfll be stockpiled in Aree 3A. The crusher, processing and <br />processed materials storage area for Area 2A aill in the south half of Area <br />3A (see Fshibit "C"). During ezraction operations in Area 2A, the <br />overburden stockpiles in Area 3A will be used to backfill Area 2A, starting <br />on the east end as the eztraction process moves west. When operations start <br />in Area 3A, overburden will be used to complete the backfilliag of Area 2A. <br />Topsoil stockpiles will be located on the east half of Area 2A and the <br />crushing, processing end processed material storage area will be located just <br />west of Area 3A (see Ezhibit "C'). <br />Operations 1n the vicinity of the existing Piette River Power Authority <br />power line will be in accordance with the terms of the easement agreement <br />with the Platte River Power Authority, a copy of which is attached. <br />