November 1, 2019

Bryan Pechersky
Executive Vice President, General Counsel and Corporate Secretary
Cloud Peak Energy Resources LLC
748 T-7 Road
Gillette, WY 82718

       Re: Cloud Peak Energy Resources LLC
           Application for Qualification of Indenture on Form T-3
           Filed October 25, 2019
           File No. 022-29081

Dear Mr. Pechersky:

        This is to advise you that we have not reviewed and will not review
your application for
qualification of indenture.

       Please refer to Section 307(c) of the Trust Indenture Act of 1939
regarding requests for
acceleration. We remind you that the company and its management are responsible
for the
accuracy and adequacy of their disclosures, notwithstanding any review,
comments, action or
absence of action by the staff.

       Please contact Karina Dorin, Attorney-Advisor, at (202) 551-3763 with
any questions.



                                                            Sincerely,

                                                            Division of
Corporation Finance
                                                            Office of Energy &
Transportation
cc:    Shelley Barber