<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEET AS OF DECEMBER 31, 1998, AND THE RELATED CONSOLIDATED
STATEMENT OF EARNINGS FOR THE YEAR THEN ENDED AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH ANNUAL REPORT ON FORM 10-K FOR THE YEAR ENDED DECEMBER 31,
1998.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               DEC-31-1998
<CASH>                                          14,586
<SECURITIES>                                         0
<RECEIVABLES>                                  171,511
<ALLOWANCES>                                     4,430
<INVENTORY>                                    157,104
<CURRENT-ASSETS>                               369,388
<PP&E>                                       1,502,512
<DEPRECIATION>                                 724,984
<TOTAL-ASSETS>                               1,588,589
<CURRENT-LIABILITIES>                          152,233
<BONDS>                                        602,113
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           466
<OTHER-SE>                                     667,233
<TOTAL-LIABILITY-AND-EQUITY>                 1,588,589
<SALES>                                      1,057,691
<TOTAL-REVENUES>                             1,057,691
<CGS>                                          776,043
<TOTAL-COSTS>                                  861,137
<OTHER-EXPENSES>                                 8,575
<LOSS-PROVISION>                                 1,574
<INTEREST-EXPENSE>                              23,759
<INCOME-PRETAX>                                174,142
<INCOME-TAX>                                    58,529
<INCOME-CONTINUING>                            115,613
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   115,613
<EPS-PRIMARY>                                     2.49
<EPS-DILUTED>                                     2.48