<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.