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virtually unchanged. Only the pit sequencing aryl associated roads were <br />changed. The reclamation time table was also revised to reflect the new <br />mining plan. This revision did not affect mining >n the Wolf Creek <br />area. <br />In brief, this revision requested that the location of the box cut >r <br />the Wedge area be moved fran the western edge of the Wedge area to a low <br />overburden area more centrally located within the coal field (an area <br />originally planned for mining itt 1995). This change el~m~*~ted the <br />short box cut, thus leaving an area temporarily reclaimed for nine <br />years. The decision was also made to leave one of the draglines in this <br />area unti4 ocxnpletion of mining. <br />Technical Revision No. 2 - Haul Road F and Breachira of Haul Road Berms <br />'This revision requested permission to construct a new haul road in the <br />Wolf Creek area. The road was to be used mainly as a haulage road out <br />from the lower end of the Wolf Creek area. This road eliminated the <br />need for the haul trucks to back track down the hill. <br />Berms are required by MSHA regulations for haul truck safety. PCC <br />requested that these berms be breached every so often to allow drainage <br />of water off the haul road. In most cases, these breaches were confined <br />to ores not yet reclaimed, or were directed into concentrated runoff <br />drainages. All road drainage waters pass through either Sediment Ponds <br />002, 003, or 004. <br />Technical Revision No. 3 - Auger Mining <br />In order to ~Yim~ze opal recovery in areas where recovery lines were <br />being reached, PCC requested permission to auger mine three hiahwall <br />areas; pits A, B, and C. Pit A (Lennox coal) was to be mined in <br />wnjunction with reclamation operations; for economic rPa~,~ this never <br />came about. Auger mining of the Wedge coal was corrluoted in Pits B and <br />C. <br />Technical Revision No. 4 - Haul Road B <br />The B2 road was originally permitted as a scraper route in Minor <br />Revisions #4, Wolf Creek area. This revision requested that this road <br />-5- Revised 07/23/87 <br />