<ARTICLE> 5 <RESTATED> <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-END> MAR-31-1998 <CASH> 2,300 <SECURITIES> 0 <RECEIVABLES> 65,800 <ALLOWANCES> 1,300 <INVENTORY> 97,800 <CURRENT-ASSETS> 172,600 <PP&E> 742,100 <DEPRECIATION> 317,700 <TOTAL-ASSETS> 635,400 <CURRENT-LIABILITIES> 85,900 <BONDS> 136,300 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 4,400 <OTHER-SE> 335,000 <TOTAL-LIABILITY-AND-EQUITY> 635,400 <SALES> 195,200 <TOTAL-REVENUES> 196,000 <CGS> 165,100 <TOTAL-COSTS> 165,100 <OTHER-EXPENSES> 13,200 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 3,000 <F1> <INCOME-PRETAX> 10,900 <INCOME-TAX> 4,800 <INCOME-CONTINUING> 6,100 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 6,100 <EPS-PRIMARY> 0.23 <EPS-DILUTED> 0.23 <FN> <F1> Certain reclassifications have been made to information previously reported to conform to current presentation.