<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS RESTATED SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM BALANCE SHEET & INCOME STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               MAR-31-1997
<CASH>                                          17,699
<SECURITIES>                                         0
<RECEIVABLES>                                   20,727
<ALLOWANCES>                                         0
<INVENTORY>                                      4,177
<CURRENT-ASSETS>                                46,366
<PP&E>                                         103,354
<DEPRECIATION>                                  19,261
<TOTAL-ASSETS>                                 156,014
<CURRENT-LIABILITIES>                           41,163
<BONDS>                                         24,833
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            52
<OTHER-SE>                                      63,780
<TOTAL-LIABILITY-AND-EQUITY>                   156,014
<SALES>                                         24,092
<TOTAL-REVENUES>                                24,092
<CGS>                                           20,057
<TOTAL-COSTS>                                   20,057
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 443
<INCOME-PRETAX>                                  3,592
<INCOME-TAX>                                     1,458
<INCOME-CONTINUING>                              2,134
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     2,134
<EPS-PRIMARY>                                     0.41
<EPS-DILUTED>                                     0.39