<ARTICLE> 5
<LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM 
CONSOLIDATED BALANCE SHEET AS OF DECEMBER 31, 1998 AND CONSOLIDATED STATEMENT OF
INCOME FOR THE TWELVE MONTHS THEN ENDED AND IS QUALIFIED IN ITS ENTIRETY BY 
REFERENCE TO SUCH FINANCIAL STATEMENTS. 
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                         DEC-31-1998
<PERIOD-START>                            JAN-01-1998
<PERIOD-END>                              DEC-31-1998
<CASH>                                            983
<SECURITIES>                                        0         
<RECEIVABLES>                                  84,153
<ALLOWANCES>                                    2,263
<INVENTORY>                                    52,496
<CURRENT-ASSETS>                              149,758 
<PP&E>                                        568,601
<DEPRECIATION>                                353,505
<TOTAL-ASSETS>                                404,361
<CURRENT-LIABILITIES>                          87,944
<BONDS>                                             0
<PREFERRED-MANDATORY>                               0
<PREFERRED>                                    19,611
<COMMON>                                        9,998
<OTHER-SE>                                    118,375
<TOTAL-LIABILITY-AND-EQUITY>                  404,361
<SALES>                                       610,451 
<TOTAL-REVENUES>                              610,451
<CGS>                                         498,856         
<TOTAL-COSTS>                                 565,028 
<OTHER-EXPENSES>                                    0
<LOSS-PROVISION>                                    0
<INTEREST-EXPENSE>                              7,453
<INCOME-PRETAX>                                38,766
<INCOME-TAX>                                   15,312
<INCOME-CONTINUING>                            23,454
<DISCONTINUED>                                      0 
<EXTRAORDINARY>                                     0
<CHANGES>                                           0 
<NET-INCOME>                                   23,454
<EPS-PRIMARY>                                    2.29
<EPS-DILUTED>                                    2.12