<ARTICLE>                5
<RESTATED>
<MULTIPLIER>             1,000
       
                                           
<PERIOD-TYPE>                                        6-MOS
<FISCAL-YEAR-END>                              DEC-31-1996
<PERIOD-END>                                   JUN-30-1996
<CASH>                                              45,075
<SECURITIES>                                             0
<RECEIVABLES>                                      502,253
<ALLOWANCES>                                        17,308
<INVENTORY>                                        439,362
<CURRENT-ASSETS>                                 1,018,201
<PP&E>                                           6,765,937
<DEPRECIATION>                                   3,044,331
<TOTAL-ASSETS>                                   4,916,194
<CURRENT-LIABILITIES>                              647,040
<BONDS>                                          1,189,957
<COMMON>                                            68,589
<PREFERRED-MANDATORY>                                    0
<PREFERRED>                                              0
<OTHER-SE>                                       2,037,225
<TOTAL-LIABILITY-AND-EQUITY>                     4,916,194
<SALES>                                          1,912,303
<TOTAL-REVENUES>                                 1,912,303
<CGS>                                            1,378,483
<TOTAL-COSTS>                                    1,727,185
<OTHER-EXPENSES>                                    (1,659)
<LOSS-PROVISION>                                         0
<INTEREST-EXPENSE>                                  55,271
<INCOME-PRETAX>                                    131,506
<INCOME-TAX>                                        49,183
<INCOME-CONTINUING>                                 76,642<F1>
<DISCONTINUED>                                           0
<EXTRAORDINARY>                                          0
<CHANGES>                                                0
<NET-INCOME>                                        76,642
<EPS-PRIMARY>                                         1.11
<EPS-DILUTED>                                         1.11
        
<FN>
<F1>REFLECTS ADJUSTMENT FOR MINORITY INTEREST (NET OF TAX) OF $5,681
</FN>