<ARTICLE> 5
<MULTIPLIER> 1,000

                                                  
<PERIOD-TYPE>                   3-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-1999
<PERIOD-START>                             JUL-01-1999             JAN-01-1999
<PERIOD-END>                               SEP-30-1999             SEP-30-1999
<CASH>                                           6,908                   6,908
<SECURITIES>                                         0                       0
<RECEIVABLES>                                   87,749                  87,749
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<PP&E>                                         762,789                 762,789
<DEPRECIATION>                                 490,624                 490,624
<TOTAL-ASSETS>                                 464,958                 464,958
<CURRENT-LIABILITIES>                           77,440                  77,440
<BONDS>                                        200,000                 200,000
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<COMMON>                                             0                       0
<OTHER-SE>                                     120,662                 120,662
<TOTAL-LIABILITY-AND-EQUITY>                   464,958                 464,958
<SALES>                                        153,282                 395,922
<TOTAL-REVENUES>                               153,282                 395,922
<CGS>                                          147,384                 378,897
<TOTAL-COSTS>                                  147,384                 378,897
<OTHER-EXPENSES>                                 7,665                  21,603
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                               5,573                  17,231
<INCOME-PRETAX>                                (7,340)                (21,809)
<INCOME-TAX>                                         0                       0
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<CHANGES>                                            0                       0
<NET-INCOME>                                   (7,340)                (21,809)
<EPS-BASIC>                                     (0.20)                  (0.59)
<EPS-DILUTED>                                   (0.20)                  (0.59)