<ARTICLE> 5 <LEGEND> This schedule contains summary financial information extracted from the Financial Statements contained in Item 1 of Form 10-Q for the period ended September 30, 1996 and is qualified in its entirety by reference to such financial statements. Figures are rounded to the nearest 100,000 (except EPS). </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-END> SEP-30-1996 <CASH> 5,300 <SECURITIES> 0 <RECEIVABLES> 542,400 <ALLOWANCES> 0 <INVENTORY> 412,100 <CURRENT-ASSETS> 1,046,900 <PP&E> 2,620,900 <DEPRECIATION> (1,721,700) <TOTAL-ASSETS> 2,228,600 <CURRENT-LIABILITIES> 750,300 <BONDS> 276,300 <PREFERRED-MANDATORY> 0 <PREFERRED> 77,200 <COMMON> 50,000 <OTHER-SE> 823,100 <TOTAL-LIABILITY-AND-EQUITY> 2,228,600 <SALES> 2,362,000 <TOTAL-REVENUES> 2,362,000 <CGS> 1,822,300 <TOTAL-COSTS> 1,822,300 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 29,800 <INCOME-PRETAX> 208,500 <INCOME-TAX> 74,000 <INCOME-CONTINUING> 134,500 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 134,500 <EPS-PRIMARY> 2.60 <EPS-DILUTED> 2.53