ARTHUR ANDERSEN LLP




                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
                    -----------------------------------------

As independent public accountants, we hereby consent to the incorporation of our
report  included  in  this  Form  10-K,  into  the  Company's  previously  filed
Registration  Statement File No.  33-65418,  Registration  Statement  333-03289,
Registration  Statement File No. 333-03303 and  Registration  Statement File No.
333-53367.


Arthur Andersen LLP



Albuquerque, New Mexico
March 2, 1999