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                                                                   EXHIBIT (23a)
 
                         INDEPENDENT AUDITORS' CONSENT
 
     We consent to the use of our reports included herein and incorporated
herein by reference and to the reference to our firm under the headings "Summary
of Selected Financial Data" and "Experts" in the Prospectus. Our report refers
to a change in 1995 in the method of accounting for long-lived assets to adopt
the provisions of the Financial Accounting Standards Board's Statement of
Financial Accounting Standard No. 121.
 
                                            KPMG Peat Marwick LLP
 
Dallas, Texas
June 26, 1996