<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
company's consolidated Balance Sheet and Profit & Loss financial statements 
and is qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-END>                               JUN-30-1995
<CASH>                                           6,566
<SECURITIES>                                         0
<RECEIVABLES>                                  326,419
<ALLOWANCES>                                     6,886
<INVENTORY>                                    357,235
<CURRENT-ASSETS>                               730,511
<PP&E>                                       2,294,088
<DEPRECIATION>                               1,259,899
<TOTAL-ASSETS>                               1,948,947
<CURRENT-LIABILITIES>                          507,531
<BONDS>                                        150,797
<COMMON>                                       312,381
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                     477,406
<TOTAL-LIABILITY-AND-EQUITY>                 1,948,947
<SALES>                                      1,154,696
<TOTAL-REVENUES>                             1,154,696
<CGS>                                          882,728
<TOTAL-COSTS>                                  882,728
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              10,381
<INCOME-PRETAX>                                106,017
<INCOME-TAX>                                    40,498
<INCOME-CONTINUING>                             65,519
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    65,519
<EPS-PRIMARY>                                     2.11
<EPS-DILUTED>                                     2.09