<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
DEC-31-1999 FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               DEC-31-1999
<CASH>                                         186,323
<SECURITIES>                                         0
<RECEIVABLES>                                   17,246
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                               255,279
<PP&E>                                         960,255
<DEPRECIATION>                                 436,103
<TOTAL-ASSETS>                                 974,475
<CURRENT-LIABILITIES>                           93,950
<BONDS>                                        404,460
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                    370,769
<COMMON>                                           358
<OTHER-SE>                                      89,195
<TOTAL-LIABILITY-AND-EQUITY>                   974,475
<SALES>                                        247,878
<TOTAL-REVENUES>                               247,878
<CGS>                                           68,130
<TOTAL-COSTS>                                   68,130
<OTHER-EXPENSES>                                61,343
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              22,648
<INCOME-PRETAX>                                 76,177
<INCOME-TAX>                                    28,620
<INCOME-CONTINUING>                             47,557
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    47,557
<EPS-BASIC>                                       0.52
<EPS-DILUTED>                                     0.52