<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BALANCE
SHEET AS OF JUNE 30, 1998, AND STATEMENT OF INCOME FOR THE SIX MONTHS ENDED JUNE
30, 1998.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               JUN-30-1998
<CASH>                                          59,690
<SECURITIES>                                     6,637
<RECEIVABLES>                                   88,642
<ALLOWANCES>                                     1,049
<INVENTORY>                                      5,216
<CURRENT-ASSETS>                               161,514
<PP&E>                                       2,178,774
<DEPRECIATION>                               1,162,408
<TOTAL-ASSETS>                               1,260,173
<CURRENT-LIABILITIES>                          130,080
<BONDS>                                        919,034
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                    230,000
<COMMON>                                         1,009
<OTHER-SE>                                    (31,295)
<TOTAL-LIABILITY-AND-EQUITY>                 1,260,173
<SALES>                                        186,075
<TOTAL-REVENUES>                               188,870
<CGS>                                          650,756
<TOTAL-COSTS>                                  680,109
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                   516
<INTEREST-EXPENSE>                              29,353
<INCOME-PRETAX>                              (491,239)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                          (491,239)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                               (13,334)
<CHANGES>                                            0
<NET-INCOME>                                 (504,573)
<EPS-PRIMARY>                                   (5.50)
<EPS-DILUTED>                                   (5.50)