<ARTICLE>                5
<LEGEND>
This schedule  contains summary financial  information  extracted from form 10-Q
and is qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER>                  1,000
       
                           
<PERIOD-TYPE>                 3-MOS
<FISCAL-YEAR-END>             DEC-31-1999
<PERIOD-END>                  MAR-30-1999
<CASH>                        7,526
<SECURITIES>                  0
<RECEIVABLES>                 281,913
<ALLOWANCES>                  0
<INVENTORY>                   78,237
<CURRENT-ASSETS>              388,750
<PP&E>                        2,664,950
<DEPRECIATION>                763,656
<TOTAL-ASSETS>                2,872,836
<CURRENT-LIABILITIES>         371,421
<BONDS>                       0
<PREFERRED-MANDATORY>         0
<PREFERRED>                   0
<COMMON>                      397
<OTHER-SE>                    606,919
<TOTAL-LIABILITY-AND-EQUITY>  2,872,836
<SALES>                       405,952
<TOTAL-REVENUES>              421,126
<CGS>                         379,920
<TOTAL-COSTS>                  407,143
<OTHER-EXPENSES>              0
<LOSS-PROVISION>              0
<INTEREST-EXPENSE>            23,992
<INCOME-PRETAX>               (9,680)
<INCOME-TAX>                  7,300
<INCOME-CONTINUING>           (2,380)
<DISCONTINUED>                0
<EXTRAORDINARY>               0
<CHANGES>                     3,813
<NET-INCOME>                  1,433
<EPS-PRIMARY>                 .04
<EPS-DILUTED>                 .04