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Peabody <br />Peabody Twentymile Mining LLC <br />June 10, 2015 <br />Russell J. Riley <br />MSHA, Coal District 9 <br />Denver Federal Center <br />6`h and Kipling <br />tad Street, Building #25, E-16 <br />Denver, Colorado 80225 <br />RE: Foidel Creek Mine <br />1D # 05-03836 <br />Roof Control Plan <br />Dear Mr. Riley: <br />�9os Bio��a(o <br />RECEIVED <br />AN10201 <br />USDOL-MSHA-CMS&H <br />DISTRICT 9 <br />29515 Routt County Road #27 <br />Oak Creek, Colorado 80467 <br />970.879.3800 <br />Addendum — Wolf Creek <br />Pillar Stability Justification <br />Submitted for your review and approval is a site specific plan for mining 7 East, 8 East, and 9 East panels in Wolf <br />Creek. MSHA technical support has already received and reviewed all technical data on this matter justifying the <br />use of ALPS and ARMPS stability factors according to our approved Roof Control plan. Attached is a map showing <br />the location of these panels. <br />Map #1 — Wolf Creek Overview of 7 East, 8 East and 9 East panels and mains. <br />If you have any questions concerning this submittal, please call me at (970) 870-2762. Thank you for your <br />cooperation in this matter. <br />Sincerely, <br />7�27 <br />Mike Zimmerman <br />Compliance Manager <br />Cc: <br />Pat Sollars Ron Hockett Mike Crum Mike Berdine <br />Allen Meckley Adam Patterson Eric Knez Josh Boulger <br />Chris Burkett Nick Aromando Cody Bartkoski <br />y:\acad\msha submittals\roof control plan\wolf creek\2015,6-10 pillar stability 7,8,9 east.docx <br />