EXHIBIT 24.3



                                POWER OF ATTORNEY

                  KNOW ALL MEN BY THESE PRESENTS, that Gary T. Kacich, Vice
President and Assistant Treasurer of Colony Bay Coal Company and whose signature
appears below, hereby constitutes and appoints Irl F. Engelhardt, Richard A.
Navarre and Jeffery L. Klinger, or any one of them, his true and lawful
attorneys-in-fact and agents, with full power of substitution and
resubstitution, for him and in his name, place and stead, in any and all
capacities, to sign any and all amendments to the Registration Statement,
including post-effective amendments, and registration statements filed pursuant
to Rule 462 under the Securities Act of 1933, and to file the same, with all
exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, and does hereby grant unto said attorneys
in-fact and agents, and each of them, full power and authority to do and perform
each and every act and thing requisite and necessary to be done in and about the
premises, as fully to all intents and purposes as he might or could do in
person, hereby ratifying and confirming all that said attorneys in-fact and
agents, or any of them, or their or his substitutes, may lawfully do or cause to
be done by virtue hereof.


                                   By: /s/ GARY T. KACICH
                                       -----------------------------------------
                                       Gary T. Kacich
                                       Vice President and Assistant Treasurer

Date: March 3, 2004