Comment from Charles Burggraf, Peabody Energy

Pursuant to the notice published in the Federal Register for August 31, 2011 (76 Fed. Reg. 54,163) announcing public hearings and requesting post-hearing comments prior to November 14, 2011 as extended until November 28, 2011 in the notice published in the Federal Register for November 10, 2011 (76 Fed. Reg. 70,075), attached are the comments of Peabody Energy Corporation to MSHA’s Proposed rule on Proximity Detection Systems on Continuous Mining Machines in Underground Coal Mines. We appreciate the opportunity to comment on the proposal. Charles Burggraf Senior Vice President Global Safety 701 Market Street | St. Louis, MO 63101 Phone: (314) 2-7641