<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM JUNE 30,
1998 FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<CASH>                                          20,524
<SECURITIES>                                         0
<RECEIVABLES>                                    8,415
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                75,547
<PP&E>                                       1,007,512
<DEPRECIATION>                                 284,143
<TOTAL-ASSETS>                                 919,056
<CURRENT-LIABILITIES>                          264,731
<BONDS>                                        418,276
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                      7,473
<COMMON>                                           366
<OTHER-SE>                                     183,383
<TOTAL-LIABILITY-AND-EQUITY>                   919,056
<SALES>                                         72,553
<TOTAL-REVENUES>                                72,553
<CGS>                                           36,768
<TOTAL-COSTS>                                   36,768
<OTHER-EXPENSES>                               207,555
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              10,320
<INCOME-PRETAX>                              (141,527)
<INCOME-TAX>                                  (34,377)
<INCOME-CONTINUING>                          (107,150)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 (107,150)
<EPS-PRIMARY>                                   (2.93)
<EPS-DILUTED>                                   (2.93)