EX-21.1 4 a2199422zex-21_1.htm EX-21.1
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Exhibit 21.1

List of Subsidiaries

        The following is a complete list of the direct and indirect subsidiaries of Cloud Peak Energy Resources LLC, a Delaware corporation, including their respective states of incorporation, as of August 5, 2010:

Name
  Jurisdiction   Ownership  

Antelope Coal LLC

   Delaware     100 %

Caballo Rojo Holdings LLC

  

Delaware

    
100
%

Caballo Rojo LLC

  

Delaware

    
100
%

Cloud Peak Energy Finance Corp. 

  

Delaware

    
100
%

Cloud Peak Energy Services Company

  

Delaware

    
100
%

Cordero Mining Holdings LLC

  

Delaware

    
100
%

Cordero Mining LLC

  

Delaware

    
100
%

Decker Coal Company

  

Montana

    
50
%

Kennecott Coal Sales LLC

  

Oregon

    
100
%

Montana Royalty Company Ltd. 

  

Unincorporated

    
50
%

NERCO Coal LLC

  

Delaware

    
100
%

NERCO Coal Sales LLC

  

Tennessee

    
100
%

NERCO LLC

  

Delaware

    
100
%

Northern Coal Transportation LLC

  

Oregon

    
100
%

Prospect Land and Development LLC

  

Oregon

    
100
%

Resource Development LLC

  

Washington

    
100
%

Sequatchie Valley Coal Corporation

  

Tennessee

    
100
%

Spring Creek Coal LLC

  

Delaware

    
100
%

Venture Fuels Partnership

  

Colorado

    
50
%

Western Minerals LLC

  

Oregon

    
100
%

Wyoming Quality Healthcare Coalition, LLC

  

Delaware

    
33.3
%



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List of Subsidiaries