<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE CONSOLIDATED STATEMENT OF INCOME FOR THE NINE MONTHS ENDED SEPTEMBER 30, 1997 AND THE CONSOLIDATED BALANCE SHEET AT SEPTEMBER 30, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> SEP-30-1997 <CASH> 40,698 <SECURITIES> 0 <RECEIVABLES> 596,574 <ALLOWANCES> 18,479 <INVENTORY> 498,360 <CURRENT-ASSETS> 1,163,773 <PP&E> 7,082,049 <DEPRECIATION> 3,338,813 <TOTAL-ASSETS> 5,154,764 <CURRENT-LIABILITIES> 847,395 <BONDS> 1,231,366 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 69,700 <OTHER-SE> 1,985,190 <TOTAL-LIABILITY-AND-EQUITY> 5,154,764 <SALES> 3,289,618 <TOTAL-REVENUES> 3,289,618 <CGS> 2,505,991 <TOTAL-COSTS> 3,115,630 <OTHER-EXPENSES> (2,619) <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 87,953 <INCOME-PRETAX> 88,654 <INCOME-TAX> 32,274 <INCOME-CONTINUING> 47,788<F1> <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 47,788 <EPS-PRIMARY> 0.68 <EPS-DILUTED> 0.68 <FN> <F1>REFLECTS ADJUSTMENT FOR MINORITY INTEREST (NET OF TAX) OF $8,592 </FN>