<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               SEP-30-1998
<CASH>                                          67,181
<SECURITIES>                                         0
<RECEIVABLES>                                1,083,820
<ALLOWANCES>                                         0
<INVENTORY>                                    925,285
<CURRENT-ASSETS>                             2,353,556
<PP&E>                                      13,621,549
<DEPRECIATION>                               7,914,207
<TOTAL-ASSETS>                               8,645,169
<CURRENT-LIABILITIES>                        1,987,544
<BONDS>                                      2,488,309
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        90,365
<OTHER-SE>                                   3,016,201
<TOTAL-LIABILITY-AND-EQUITY>                 8,645,169
<SALES>                                      4,973,984
<TOTAL-REVENUES>                             5,118,036
<CGS>                                        3,742,669
<TOTAL-COSTS>                                3,742,669
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             109,026
<INCOME-PRETAX>                                  5,190
<INCOME-TAX>                                    45,822
<INCOME-CONTINUING>                           (40,632)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (40,632)
<EPS-PRIMARY>                                    (.45)
<EPS-DILUTED>                                    (.45)