<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BALANCE
SHEET AS OF MARCH 31, 2000 AND STATEMENT OF OPERATIONS FOR THE THREE MONTHS
ENDED MARCH 31, 2000.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               MAR-31-2000
<CASH>                                          29,304
<SECURITIES>                                         0
<RECEIVABLES>                                   62,157
<ALLOWANCES>                                     3,249
<INVENTORY>                                      4,063
<CURRENT-ASSETS>                                97,536
<PP&E>                                       2,467,729
<DEPRECIATION>                               1,729,252
<TOTAL-ASSETS>                                 865,371
<CURRENT-LIABILITIES>                           86,143
<BONDS>                                        960,416
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                    196,070
<COMMON>                                         1,086
<OTHER-SE>                                   (393,746)
<TOTAL-LIABILITY-AND-EQUITY>                   865,371
<SALES>                                        114,661
<TOTAL-REVENUES>                               115,853
<CGS>                                           73,686
<TOTAL-COSTS>                                   94,550
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                    31
<INTEREST-EXPENSE>                              20,864
<INCOME-PRETAX>                                 21,303
<INCOME-TAX>                                       101
<INCOME-CONTINUING>                             21,202
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    21,202
<EPS-BASIC>                                       0.27
<EPS-DILUTED>                                     0.15