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                                                                   EXHIBIT 23(c)
 
                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
 
  As independent public accountants, we hereby consent to the incorporation by
reference of our report dated December 17, 1993, included in this Form 10-K,
into the Company's previously filed Registration Statement File Nos. 33-19085,
33-45251 and 33-68034.
 
                                          ARTHUR ANDERSEN LLP
 
Houston, Texas
December 21, 1995