
<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS RESTATED FINANCIAL DATA SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION
EXTRACTED FROM THE CONSOLIDATED BALANCE SHEET AT MARCH 31, 1997 AND THE
CONSOLIDATED STATEMENT OF INCOME FOR THE THREE MONTHS ENDED MARCH 31, 1997 AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000

<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               MAR-31-1997
<CASH>                                          15,635
<SECURITIES>                                         0
<RECEIVABLES>                                   65,110<F1>
<ALLOWANCES>                                         0
<INVENTORY>                                     46,170
<CURRENT-ASSETS>                               131,982
<PP&E>                                         419,373
<DEPRECIATION>                                 152,745
<TOTAL-ASSETS>                                 495,787
<CURRENT-LIABILITIES>                           74,582
<BONDS>                                        205,458<F2>
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         2,482
<OTHER-SE>                                     164,220
<TOTAL-LIABILITY-AND-EQUITY>                   495,787
<SALES>                                        157,583
<TOTAL-REVENUES>                               157,583
<CGS>                                          113,763
<TOTAL-COSTS>                                  113,763
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               3,255
<INCOME-PRETAX>                                 19,682
<INCOME-TAX>                                     7,579
<INCOME-CONTINUING>                             11,741
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    11,741
<EPS-PRIMARY>                                     0.47
<EPS-DILUTED>                                     0.47
<FN>
<F1>(RECEIVABLES) ARE PRESENTED NET OF THE ALLOWANCE FOR DOUBTFUL ACCOUNTS.
<F2>(BONDS) REPRESENT LONG-TERM DEBT, LESS CURRENT MATURITIES, AND REVOLVING CREDIT
LOANS.
</FN>


</TABLE>
