Attached files

file filename
10-K - 10-K - CLOUD PEAK ENERGY INC.a2202182z10-k.htm
EX-31.1 - EX-31.1 - CLOUD PEAK ENERGY INC.a2202182zex-31_1.htm
EX-32.2 - EX-32.2 - CLOUD PEAK ENERGY INC.a2202182zex-32_2.htm
EX-32.1 - EX-32.1 - CLOUD PEAK ENERGY INC.a2202182zex-32_1.htm
EX-31.2 - EX-31.2 - CLOUD PEAK ENERGY INC.a2202182zex-31_2.htm
EX-23.1 - EX-23.1 - CLOUD PEAK ENERGY INC.a2202182zex-23_1.htm
EX-23.2 - EX-23.2 - CLOUD PEAK ENERGY INC.a2202182zex-23_2.htm
EX-10.48 - EX-10.48 - CLOUD PEAK ENERGY INC.a2202182zex-10_48.htm

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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 Inc., a Delaware corporation, including their respective states of incorporation, as of February 24, 2011:

Name
  Jurisdiction   Ownership  

Antelope Coal LLC

  Delaware     100 %

Caballo Rojo Holdings LLC

  Delaware     100 %

Caballo Rojo LLC

  Delaware     100 %

Cloud Peak Energy Resources LLC

  Delaware     51.7 %

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 %

Cordero Oil and Gas LLC

  Delaware     100 %

Decker Coal Company

  Unincorporated     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