<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BALANCE
SHEET AS OF SEPTEMBER 30, 1999, AND STATEMENT OF INCOME FOR THE NINE MONTHS
ENDED SEPTEMBER 30, 1999.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               SEP-30-1999
<CASH>                                          29,916
<SECURITIES>                                         0
<RECEIVABLES>                                   64,650
<ALLOWANCES>                                     3,208
<INVENTORY>                                      4,226
<CURRENT-ASSETS>                                97,842
<PP&E>                                       2,345,806
<DEPRECIATION>                               1,677,690
<TOTAL-ASSETS>                                 795,504
<CURRENT-LIABILITIES>                           88,573
<BONDS>                                        920,838
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                    230,000
<COMMON>                                         1,056
<OTHER-SE>                                   (461,257)
<TOTAL-LIABILITY-AND-EQUITY>                   795,504
<SALES>                                        248,709
<TOTAL-REVENUES>                               255,235
<CGS>                                          179,379
<TOTAL-COSTS>                                  239,948
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                    13
<INTEREST-EXPENSE>                              60,569
<INCOME-PRETAX>                                 15,287
<INCOME-TAX>                                       975
<INCOME-CONTINUING>                             14,312
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    14,312
<EPS-BASIC>                                       0.02
<EPS-DILUTED>                                     0.02