
<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED CONSOLIDATED BALANCE SHEET AT SEPTEMBER 30, 1997 (UNAUDITED) AND THE
CONDENSED CONSOLIDATED STATEMENTS OF INCOME FOR THE NINE MONTHS ENDED SEPTEMBER
30, 1997 (UNAUDITED) AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                          10,600
<SECURITIES>                                         0
<RECEIVABLES>                                   73,964<F1>
<ALLOWANCES>                                         0
<INVENTORY>                                     59,569
<CURRENT-ASSETS>                               149,523
<PP&E>                                         457,741
<DEPRECIATION>                                 167,162
<TOTAL-ASSETS>                                 548,059
<CURRENT-LIABILITIES>                           79,534
<BONDS>                                        217,203<F2>
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         2,529
<OTHER-SE>                                     194,715
<TOTAL-LIABILITY-AND-EQUITY>                   548,059
<SALES>                                        492,137
<TOTAL-REVENUES>                               492,137
<CGS>                                          353,695
<TOTAL-COSTS>                                  353,695
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              10,408
<INCOME-PRETAX>                                 62,620
<INCOME-TAX>                                    24,205
<INCOME-CONTINUING>                             37,184
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    37,184
<EPS-PRIMARY>                                     1.48
<EPS-DILUTED>                                     1.48
<FN>
<F1>(RECEIVABLES) ARE PRESENTED NET OF THE ALLOWANCE FOR DOUBTFUL ACCOUNTS.
<F2>(BONDS) REPRESENT REVOLVING CREDIT LOANS AND LONG TERM DEBT, LESS CURRENT
MATURITIES.
</FN>
        

</TABLE>
