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Findings of Compliance <br />Highwall (Auger) Mining <br />Technical Revision Number 58 <br />Permit C-1981-019 <br />Colowyo Coal Company, L.P. <br />Table of Contents <br />Introduction .......................................................... <br />Rule 4.23 Auger Mining ....................................... <br />Rule 4.23.1 Scope ................................................ <br />Rule 4.23.2 Performance Standards .................... <br />Rule 4.23.2(1) ...................................................... <br />Rule 4.23.2(2) ...................................................... <br />Rule 4.23.2(3) ...................................................... <br />Rule 4.23.2(4) ...................................................... <br />Rule 4.23.2(4)(a) .................................................. <br />Rule 4.23.2(4)~) .................................................. <br />Rule 4.23.2(5) ...................................................... <br />Rule 4.23.2(5)(a) .................................................. <br />Rule 4.23.2(5)~) .................................................. <br />Rule 4.23.2(6) ...................................................... <br />Rule 4.23.2(6)(a) .................................................. <br />Rule 4.23.2(6)~) .................................................. <br />R142326() <br />............................................................ 2 <br />............................................................ 2 <br />............................................................ 3 <br />u e () c ............................................................................................... <br />Rule 4.23.2(6)(d) ............................................................................................... <br />Rule 4.23.2(7)(a) ............................................................................................... <br />Rule 4.23.2(7)(a) ............................................................................................... <br />Rule 4.23.2(2)~) ............................................................................................... <br />Introduction <br />............................. 3 <br />............................. 3 <br />............................. 3 <br />............................. 4 <br />............................. 4 <br />............................. 4 <br />............................. 4 <br />............................. 5 <br />............................. 5 <br />............................. 5 <br />............................. 5 <br />............................. 5 <br />............................. 5 <br />............................. 5 <br />............................. 5 <br />............................. 6 <br />............................. 6 <br />............................. 6 <br />There aze no rules specific to highwall mining. Those rules applicable to auger mining are <br />applied. Rule 2.06.9(3) requires that no permit shall be issued for any operations covered by <br />2.06.9 unless the Division or Boazd finds, in writing, that in addition to meeting all other <br />applicable requirements of these Rules, the operation will be conducted in compliance with 4.23. <br />This finding documents such compliance. Highwall mining extends beyond the limits of open- <br />pit, thick overburden, surface mining as previously found in compliance with all other applicable <br />requirements of the Rules by the Division. The Division finds compliance with Rule 4.23 as <br />follows. <br />Rule 4.23 Auger Mining <br />2 <br />