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                                                                 August 14, 2000


Securities and Exchange Commission
Judiciary Plaza
450 Fifth Street, NW
Washington, DC 20549

                       Interim Report Under Rule 24 of the
                   Public Utility Holding Company Act of 1935
                              Columbia Energy Group
                            13880 Dulles Corner Lane
                             Herndon, VA 20171-4600

                                File No. 70-9127

Gentlemen:

         In compliance with the terms and conditions of Rule 24 under the Public
Utility Holding Company Act of 1935, and the Order of the Commission dated
January 23, 1998, authorizing the financing transactions and business activities
as more fully described in the Joint Application/Declaration, as amended, the
undersigned hereby certifies to the Commission that:



                        Confidential treatment requested.




                                             Very truly yours,

                                             COLUMBIA ENERGY GROUP

                                             By: //s// J. W. Grossman
                                                ------------------------------
                                                J. W. Grossman, Vice President
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                     COLUMBIA NATURAL RESOURCES CANADA, LTD.
                        STATEMENT OF CONSOLIDATED INCOME
                    FOR THE THREE MONTHS ENDED JUNE 30, 2000
                                 (U.S. DOLLARS)

                        Confidential treatment requested
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                     COLUMBIA NATURAL RESOURCES CANADA, LTD.
                                  BALANCE SHEET
                               AS OF JUNE 30, 2000
                                 (U.S. DOLLARS)

                        Confidential treatment requested