<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               MAR-31-1997
<CASH>                                          76,900
<SECURITIES>                                         0
<RECEIVABLES>                                  613,200<F1>
<ALLOWANCES>                                         0
<INVENTORY>                                    379,400
<CURRENT-ASSETS>                             1,350,600<F2>
<PP&E>                                       3,282,300
<DEPRECIATION>                               1,456,600
<TOTAL-ASSETS>                               4,430,700
<CURRENT-LIABILITIES>                        1,362,600
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           800
<OTHER-SE>                                     310,000
<TOTAL-LIABILITY-AND-EQUITY>                 4,430,700
<SALES>                                        785,100
<TOTAL-REVENUES>                               789,800
<CGS>                                          480,000
<TOTAL-COSTS>                                  480,000
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              19,100
<INCOME-PRETAX>                                 73,700
<INCOME-TAX>                                    27,300
<INCOME-CONTINUING>                             46,400
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    46,400
<EPS-PRIMARY>                                      .60
<EPS-DILUTED>                                      .60
<FN>
<F1>     Amount shown is net of allowances.
<F2>     Included within current assets are
         net assets of discontinued operations
         of $57,500.
</FN>