<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> 3-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-END> MAR-31-1998 <CASH> 15,985 <SECURITIES> 0 <RECEIVABLES> 402,439 <ALLOWANCES> 7,334 <INVENTORY> 480,106 <CURRENT-ASSETS> 940,585 <PP&E> 2,704,641 <DEPRECIATION> 1,459,839 <TOTAL-ASSETS> 2,425,032 <CURRENT-LIABILITIES> 609,572 <BONDS> 239,814 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 294,357 <OTHER-SE> 743,763 <TOTAL-LIABILITY-AND-EQUITY> 2,425,032 <SALES> 707,381 <TOTAL-REVENUES> 707,381 <CGS> 533,015 <TOTAL-COSTS> 533,015 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 5,863 <INCOME-PRETAX> 79,508 <INCOME-TAX> 30,372 <INCOME-CONTINUING> 49,136 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 49,136 <EPS-PRIMARY> .79 <EPS-DILUTED> .78