<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE CONDENSED CONSOLIDATED BALANCE SHEET AS OF JUNE 30, 1997, AND THE RELATED CONDENSED CONSOLIDATED STATEMENT OF EARNINGS FOR THE THREE AND SIX MONTHS THEN ENDED, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH QUARTERLY REPORT ON FORM 10-Q FOR THE QUARTERLY PERIOD ENDED JUNE 30, 1997. </LEGEND> <RESTATED> <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> JUN-30-1997 <CASH> 8,484 <SECURITIES> 0 <RECEIVABLES> 168,861 <ALLOWANCES> 4,849 <INVENTORY> 132,850 <CURRENT-ASSETS> 326,945 <PP&E> 1,190,709 <DEPRECIATION> 601,411 <TOTAL-ASSETS> 1,121,176 <CURRENT-LIABILITIES> 204,347 <BONDS> 275,935 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 461 <OTHER-SE> 508,739 <TOTAL-LIABILITY-AND-EQUITY> 1,121,176 <SALES> 390,353 <TOTAL-REVENUES> 390,353 <CGS> 294,722 <TOTAL-COSTS> 327,615 <OTHER-EXPENSES> (5,546) <LOSS-PROVISION> 1,899 <INTEREST-EXPENSE> 5,765 <INCOME-PRETAX> 60,620 <INCOME-TAX> 21,344 <INCOME-CONTINUING> 39,276 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 39,276 <EPS-PRIMARY> 0.85 <EPS-DILUTED> 0.85<F1> <FN> <F1>Financial Data Schedule restated to reflect adoption of SFAS No. 128. Earnings per share amounts have been restated, where appropriate, to comply with the SFAS No. 128. </FN>