<ARTICLE> 5
<LEGEND>
   This schedule contains summary financial information extracted from
Consolidated Financial Statements and Notes included in this Form 10-K
and is qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               DEC-31-1999
<CASH>                                          58,700
<SECURITIES>                                    57,300
<RECEIVABLES>                                  203,900
<ALLOWANCES>                                   (3,200)
<INVENTORY>                                    293,400
<CURRENT-ASSETS>                               739,400
<PP&E>                                       2,537,400
<DEPRECIATION>                             (1,203,400)
<TOTAL-ASSETS>                               3,488,200
<CURRENT-LIABILITIES>                          540,700
<BONDS>                                      1,014,800
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       117,000
<OTHER-SE>                                   1,243,000
<TOTAL-LIABILITY-AND-EQUITY>                 3,488,200
<SALES>                                      2,878,600
<TOTAL-REVENUES>                             2,878,600
<CGS>                                        2,080,100
<TOTAL-COSTS>                                2,509,700
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              11,900
<INCOME-PRETAX>                                357,000
<INCOME-TAX>                                   139,500
<INCOME-CONTINUING>                            216,800
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   216,800
<EPS-BASIC>                                       2.04
<EPS-DILUTED>                                     2.04