<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SEPTEMBER
30, 1999 FINANCIAL STATEMENTS AS AMENDED ON FORM 10Q/A AMENDMENT NO. 1 AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               SEP-30-1999
<CASH>                                         202,518
<SECURITIES>                                         0
<RECEIVABLES>                                   25,360
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                               260,671
<PP&E>                                       1,085,127
<DEPRECIATION>                                 493,979
<TOTAL-ASSETS>                                 952,744
<CURRENT-LIABILITIES>                           81,065
<BONDS>                                        404,455
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                    370,932
<COMMON>                                           358
<OTHER-SE>                                      83,564
<TOTAL-LIABILITY-AND-EQUITY>                   952,744
<SALES>                                        176,087
<TOTAL-REVENUES>                               176,087
<CGS>                                           58,360
<TOTAL-COSTS>                                   58,360
<OTHER-EXPENSES>                                45,404
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              17,536
<INCOME-PRETAX>                                 44,937
<INCOME-TAX>                                    20,405
<INCOME-CONTINUING>                             24,532
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    24,532
<EPS-BASIC>                                        .09
<EPS-DILUTED>                                      .09