
<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS RESTATED FINANCIAL DATA SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION
EXTRACTED FROM THE CONDENSED CONSOLIDATED BALANCE SHEET AT JUNE 30, 1997
(UNAUDITED) AND THE CONDENSED CONSOLIDATED STATEMENT OF INCOME FOR THE SIX
MONTHS ENDED JUNE 30, 1997 (UNAUDITED) AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                           2,815
<SECURITIES>                                         0
<RECEIVABLES>                                   63,523<F1>
<ALLOWANCES>                                         0
<INVENTORY>                                     49,238
<CURRENT-ASSETS>                               124,075
<PP&E>                                         429,623
<DEPRECIATION>                                 159,979
<TOTAL-ASSETS>                                 491,252
<CURRENT-LIABILITIES>                           71,664
<BONDS>                                        199,175<F2>
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         2,467
<OTHER-SE>                                     168,140
<TOTAL-LIABILITY-AND-EQUITY>                   491,252
<SALES>                                        318,417
<TOTAL-REVENUES>                               318,417
<CGS>                                          226,775
<TOTAL-COSTS>                                  226,775
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               6,779
<INCOME-PRETAX>                                 41,238
<INCOME-TAX>                                    15,918
<INCOME-CONTINUING>                             24,560
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    24,560
<EPS-PRIMARY>                                     0.99
<EPS-DILUTED>                                     0.98
<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>
