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                                                                  Exhibit 3.15.4

                               ARTICLES OF MERGER

                                       OF

                   ANKER WEST VIRGINIA MINING COMPANY, INC.

                                       AND

                         PINE VALLEY COAL COMPANY, INC.

I.    The Plan of Merger of Anker West Virginia Mining Company, Inc., the
      Surviving Corporation, and Pine Valley Coal Company, Inc., the Merging
      Corporation, is as follows:

                                 PLAN OF MERGER

                                       OF

                   ANKER WEST VIRGINIA MINING COMPANY, INC.

                                       AND

                         PINE VALLEY COAL COMPANY, INC.

            1.    Anker West Virginia  Mining  Company,  Inc. is a corporation
                  organized  and existing  under the laws of the State of West
                  Virginia.

            2.    Pine Valley Coal Company, Inc., is a corporation organized and
                  existing under the laws of the State of West Virginia.

            3.    Pine Valley Coal Company, Inc. (the "Merging Corporation")
                  shall be merged with and into Anker West Virginia Mining
                  Company, Inc. (the "Surviving Corporation") under and pursuant
                  to the Code of West Virginia of 1931, as amended, Chapter 31,
                  Article 1, Sections 34 and 117.

            4.    The shares of the Merging Corporation shall be surrendered and
                  shall not be converted into shares, obligations or other
                  securities of the Surviving 
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                  Corporation, or of any other corporation, or, in whole or in
                  part, into cash or other property.

            5.    The merger of the Merging Corporation with and into the
                  Surviving Corporation shall be effective at midnight on the
                  date on which the Certificate of Merger is issued by the
                  Secretary of State of West Virginia.

II.   The number of outstanding shares of capital stock of the Surviving
      Corporation is Five Hundred (500) shares of common stock. The number of
      outstanding shares of capital stock of the Merging Corporation is One
      Thousand (1,000) shares of common stock.

III.  The number of shares of the Surviving Corporation voted for and against
      the foregoing Plan of Merger were Five Hundred (500) shares and zero (0)
      shares, respectively. The number of shares of the Merging Corporation
      voted for and against the foregoing Plan of Merger were One Thousand
      (1,000) shares and zero (0) shares, respectively.

DATED: August 26, 1997.

                                     ANKER WEST VIRGINIA MINING COMPANY, INC.,  
                                     a West Virginia corporation,
                                  
                                  
                                     By: /s/ Richard B. Bolen
                                         ---------------------------------------
                                     Name: Richard B. Bolen
                                     Its: President
                                  
                                                    and
                                  
                                  
                                     By: /s/ Michael M. Matesic
                                         ---------------------------------------
                                     Name: Michael M. Matesic
                                     Its: Secretary


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                                     PINE VALLEY COAL COMPANY, INC.,
                                     a West Virginia corporation,
                                    
                                    
                                     By: /s/ Michael J. Haynes
                                         ---------------------------------------
                                     Name: Michael J. Haynes
                                     Its: President
                            
                                     and

                                     By: /s/ Michael M. Matesic
                                         ---------------------------------------
                                     Name: Michael M. Matesic
                                     Its: Secretary


STATE OF WEST VIRGINIA,

COUNTY OF Raleigh, to-wit:

            I, Mary Ann Worley, a Notary Public, do hereby certify that on this
26th day of August, 1997, personally appeared before me Richard B. Bolen, who,
being by me first duly sworn, declared that he is the President of Anker West
Virginia Mining Company, Inc., a West Virginia corporation, that he signed the
foregoing document as President of the corporation, and that the statements
contained therein are true.

            My Commission Expires: September 25, 2006


                                          /s/ Mary Ann Worley
                                          --------------------------------------
                                          Notary Public

[NOTARY SEAL]

            OFFICIAL SEAL
            NOTARY PUBLIC
       STATE OF WEST VIRGINIA
           MARY ANN WORLEY
           105 MORTON AVE.
          BECKLEY, WV 25801
My commission expires Sept. 25, 2006


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STATE OF WEST VIRGINIA,

COUNTY OF Raleigh, to-wit:

            I, Mary Ann Worley, a Notary Public, do hereby certify that on this
26th day of August, 1997, personally appeared before me Michael J. Haynes, who,
being by me first duly sworn, declared that he is the President of Pine Valley
Coal Company, Inc., a West Virginia corporation, that he signed the foregoing
document as President of the corporation, and that the statements contained
therein are true.

            My Commission Expires: September 25, 2006.


                                          /s/ Mary Ann Worley
                                          --------------------------------------
                                          Notary Public

[NOTARY SEAL]

            OFFICIAL SEAL
            NOTARY PUBLIC
       STATE OF WEST VIRGINIA
           MARY ANN WORLEY
           105 MORTON AVE.
          BECKLEY, WV 25801
My commission expires Sept. 25, 2006

The foregoing Articles of Merger were prepared by:
Carl H. Cather, III
SPILMAN, THOMAS & BATTLE
990 Elmer Prince Drive, Suite 205
P. O. Box 4474
Morgantown, WV  26504-4474


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