<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM JUNE 30,
2000 FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-END>                               JUN-30-2000
<CASH>                                          79,251
<SECURITIES>                                         0
<RECEIVABLES>                                    3,397
<ALLOWANCES>                                         0
<INVENTORY>                                     13,600
<CURRENT-ASSETS>                               143,399
<PP&E>                                       1,045,910
<DEPRECIATION>                                 463,006
<TOTAL-ASSETS>                               1,015,650
<CURRENT-LIABILITIES>                           85,122
<BONDS>                                        400,062
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                    369,319
<COMMON>                                           364
<OTHER-SE>                                     144,939
<TOTAL-LIABILITY-AND-EQUITY>                 1,015,650
<SALES>                                        154,001
<TOTAL-REVENUES>                               154,001
<CGS>                                           31,296
<TOTAL-COSTS>                                   31,296
<OTHER-EXPENSES>                                27,406
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               8,837
<INCOME-PRETAX>                                 80,384
<INCOME-TAX>                                    25,067
<INCOME-CONTINUING>                             55,317
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    55,317
<EPS-BASIC>                                       1.13
<EPS-DILUTED>                                     0.94