<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED CONSOLIDATED BALANCE SHEET AS OF JUNE 30, 1996, AND THE RELATED
CONDENSED CONSOLIDATED STATEMENT OF EARNINGS FOR THE 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, 1996.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               JUN-30-1996
<CASH>                                               0
<SECURITIES>                                         0
<RECEIVABLES>                                  136,882
<ALLOWANCES>                                     4,500
<INVENTORY>                                    114,785
<CURRENT-ASSETS>                               271,060
<PP&E>                                         942,223
<DEPRECIATION>                                 548,515
<TOTAL-ASSETS>                                 746,368
<CURRENT-LIABILITIES>                          105,821
<BONDS>                                        124,871
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           461
<OTHER-SE>                                     444,091
<TOTAL-LIABILITY-AND-EQUITY>                   746,368
<SALES>                                        336,985
<TOTAL-REVENUES>                               336,985
<CGS>                                          257,850
<TOTAL-COSTS>                                  288,535
<OTHER-EXPENSES>                                (4,412)
<LOSS-PROVISION>                                    50
<INTEREST-EXPENSE>                               5,696
<INCOME-PRETAX>                                 47,116
<INCOME-TAX>                                    15,972
<INCOME-CONTINUING>                             31,144
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    31,144
<EPS-PRIMARY>                                     0.68
<EPS-DILUTED>                                     0.68<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>