
<TABLE> <S> <C>

<ARTICLE> 5
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               JUN-30-1998
<CASH>                                          48,600
<SECURITIES>                                         0
<RECEIVABLES>                                   69,800
<ALLOWANCES>                                         0
<INVENTORY>                                     42,800
<CURRENT-ASSETS>                                20,700
<PP&E>                                         444,400
<DEPRECIATION>                                 238,800
<TOTAL-ASSETS>                                 496,500
<CURRENT-LIABILITIES>                           75,200
<BONDS>                                         95,200
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         4,200
<OTHER-SE>                                     267,000
<TOTAL-LIABILITY-AND-EQUITY>                   496,500
<SALES>                                        221,000
<TOTAL-REVENUES>                               221,000
<CGS>                                          154,900
<TOTAL-COSTS>                                  154,900
<OTHER-EXPENSES>                               (1,400)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               3,100
<INCOME-PRETAX>                                  1,000
<INCOME-TAX>                                    11,200
<INCOME-CONTINUING>                           (10,300)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (9,800)
<EPS-PRIMARY>                                    (.59)
<EPS-DILUTED>                                    (.59)
        

</TABLE>
