Exhibit 21.1

Subsidiaries of the Registrant:

Name of Subsidiary	State or Other Jurisdiction of Incorporation or Organization
Absaloka Coal, LLC		Delaware
Coal Valley Resources Inc.		Alberta
Dakota Westmoreland Corporation		Delaware
Poplar River Coal Mining Partnership		Saskatchewan
Prairie Coal Ltd.		Saskatchewan
Prairie Mines and Royalty ULC		Alberta
Texas Westmoreland Coal Co.		Montana
WCC Holding B.V.		Netherlands
WCC Land Holding Company, Inc.		Delaware
WEI—Roanoke Valley, Inc.		Delaware
Western Energy Company		Montana
Westmoreland Canada LLC		Delaware
Westmoreland Canada Holdings Inc.		Alberta
Westmoreland Canadian Investments L.P.		Quebec
Westmoreland Coal Sales Company, Inc.		Delaware
Westmoreland Escrow Corporation		Delaware
Westmoreland Energy LLC		Delaware
Westmoreland Energy Services, Inc.		Delaware
Westmoreland Kemmerer, Inc.		Delaware
Westmoreland Mining LLC		Delaware
Westmoreland—North Carolina Power, L.L.C.		Virginia
Westmoreland Partners		Virginia
Westmoreland Power, Inc.		Delaware
Westmoreland Prairie Resources Inc.		Alberta
Westmoreland Resources, Inc.		Delaware
Westmoreland Risk Management, Inc.		Montana
Westmoreland—Roanoke Valley, L.P.		Delaware
Westmoreland Savage Corporation		Delaware
Willowvan Mining Ltd.		Saskatchewan
WRI Partners, Inc.		Delaware