<ARTICLE> 5
<LEGEND>
THIS SCHEDULE  CONTAINS SUMMARY FINANCIAL  INFORMATION  EXTRACTED FROM FORM 10-Q
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS
</LEGEND>
<MULTIPLIER> 1,000

                                
<PERIOD-TYPE>                       6-MOS
<FISCAL-YEAR-END>                            DEC-31-2000
<PERIOD-END>                                 JUN-30-2000
<CASH>                                                   1,882
<SECURITIES>                                                 0
<RECEIVABLES>                                          158,349
<ALLOWANCES>                                                 0
<INVENTORY>                                             61,616
<CURRENT-ASSETS>                                       254,429
<PP&E>                                               2,250,245
<DEPRECIATION>                                         777,855
<TOTAL-ASSETS>                                       2,288,759
<CURRENT-LIABILITIES>                                  349,523
<BONDS>                                                      0
<PREFERRED-MANDATORY>                                        0
<PREFERRED>                                                  0
<COMMON>                                                   397
<OTHER-SE>                                             219,357
<TOTAL-LIABILITY-AND-EQUITY>                         2,288,759
<SALES>                                                322,298
<TOTAL-REVENUES>                                       340,153
<CGS>                                                  297,132
<TOTAL-COSTS>                                          320,187
<OTHER-EXPENSES>                                             0
<LOSS-PROVISION>                                             0
<INTEREST-EXPENSE>                                      22,791
<INCOME-PRETAX>                                        (2,825)
<INCOME-TAX>                                               700
<INCOME-CONTINUING>                                    (2,125)
<DISCONTINUED>                                               0
<EXTRAORDINARY>                                              0
<CHANGES>                                                    0
<NET-INCOME>                                           (2,125)
<EPS-BASIC>                                              (.06)
<EPS-DILUTED>                                            (.06)