<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BALANCE
SHEET AS OF MARCH 31, 1998, AND STATEMENT OF INCOME FOR THREE MONTHS ENDED MARCH
31, 1998.
</LEGEND>
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               MAR-31-1998
<EXCHANGE-RATE>                                      1
<CASH>                                          33,946
<SECURITIES>                                     5,876
<RECEIVABLES>                                   61,381
<ALLOWANCES>                                       961
<INVENTORY>                                      5,217
<CURRENT-ASSETS>                               110,512
<PP&E>                                       1,787,412
<DEPRECIATION>                                 891,262
<TOTAL-ASSETS>                               1,065,335
<CURRENT-LIABILITIES>                          179,674
<BONDS>                                        654,013
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         1,001
<OTHER-SE>                                     220,096
<TOTAL-LIABILITY-AND-EQUITY>                 1,065,335
<SALES>                                         76,765
<TOTAL-REVENUES>                                76,989
<CGS>                                          322,801
<TOTAL-COSTS>                                  333,489
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                   604
<INTEREST-EXPENSE>                              10,688
<INCOME-PRETAX>                               (256,500)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                           (256,500)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (256,500)
<EPS-PRIMARY>                                    (3.19)
<EPS-DILUTED>                                    (3.19)