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EX-23.1

                         CONSENT OF ARTHUR ANDERSEN LLP

                              ARTHUR ANDERSEN LLP

                                                                    EXHIBIT 23.1




                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


        As independent public accountants, we hereby consent to the
        incorporation of our report included in this Form 8-K, into the
        Company's previously filed Registration Statements on Form S-8 (File
        Nos. 333-01616, 333-04073, 333-46705, 333-57233, 333-65413, 333-79425
        and 333-79429).



                                                        Arthur Andersen LLP




                Denver, Colorado,
                September 15, 2000.




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