<ARTICLE> 5

                                                  
<PERIOD-TYPE>                   6-MOS                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-1999
<PERIOD-START>                             JAN-01-1999             APR-01-1999
<PERIOD-END>                               JUN-30-1999             JUN-30-1999
<CASH>                                           2,255                   2,255
<SECURITIES>                                         0                       0
<RECEIVABLES>                                   53,879                  53,879
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<INVENTORY>                                      1,133                   1,133
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<PP&E>                                         329,567                 329,567
<DEPRECIATION>                                (76,432)                (76,432)
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<CURRENT-LIABILITIES>                           86,720                  86,720
<BONDS>                                        570,550                 570,550
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<PREFERRED>                                          0                       0
<COMMON>                                           171                     171
<OTHER-SE>                                      68,118                  68,118
<TOTAL-LIABILITY-AND-EQUITY>                   733,810                 733,810
<SALES>                                              0                       0
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<CGS>                                                0                       0
<TOTAL-COSTS>                                  132,227                  67,926
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<INTEREST-EXPENSE>                              25,514                  12,911
<INCOME-PRETAX>                                  7,982                   4,692
<INCOME-TAX>                                     1,938                   1,052
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<CHANGES>                                            0                       0
<NET-INCOME>                                     6,044                   3,640
<EPS-BASIC>                                       0.33                    0.20
<EPS-DILUTED>                                     0.32                    0.19