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Cloud Peak Energy Inc. – ‘S-1/A’ on 12/13/10 – EX-23.1

On:  Monday, 12/13/10, at 7:02am ET   ·   Accession #:  1047469-10-10350   ·   File #:  333-170744

Previous ‘S-1’:  ‘S-1/A’ on 12/8/10   ·   Latest ‘S-1’:  This Filing

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  As Of                Filer                Filing    For·On·As Docs:Size              Issuer               Agent

12/13/10  Cloud Peak Energy Inc.            S-1/A                  4:1.7M                                   Merrill Corp/New/FA

Pre-Effective Amendment to Registration Statement (General Form)   —   Form S-1
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: S-1/A       Pre-Effective Amendment to Registration Statement   HTML   1.04M 
                          (General Form)                                         
 2: EX-1.1      Underwriting Agreement                              HTML    172K 
 3: EX-23.1     Consent of Experts or Counsel                       HTML      7K 
 4: EX-23.2     Consent of Experts or Counsel                       HTML      7K 


EX-23.1   —   Consent of Experts or Counsel
Exhibit Table of Contents

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"Exhibit 23.1
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Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

        We hereby consent to the incorporation by reference in this Registration Statement on Amendment No. 2 to Form S-1 of our report dated March 16, 2010 relating to the financial statements, which appears in Cloud Peak Energy Inc.'s Annual Report on Form 10-K for the year ended December 31, 2009. We also consent to the reference to us under the heading "Experts" in such Registration Statement.

/s/ PricewaterhouseCoopers LLP
Denver, CO
December 13, 2010




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Dates Referenced Herein   and   Documents Incorporated by Reference

This ‘S-1/A’ Filing    Date    Other Filings
Filed on:12/13/108-K
3/16/108-K
12/31/0910-K,  5
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Filing Submission 0001047469-10-010350   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

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