<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CONSOLIDATED
BALANCE SHEET AND STATEMENTS OF OPERATIONS AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                          95,496
<SECURITIES>                                         0
<RECEIVABLES>                                      957
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                               390,743
<PP&E>                                      11,163,990
<DEPRECIATION>                                 902,351
<TOTAL-ASSETS>                              10,841,809
<CURRENT-LIABILITIES>                          360,776
<BONDS>                                      4,707,744
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                  1,335,884
<COMMON>                                             0
<OTHER-SE>                                           0
<TOTAL-LIABILITY-AND-EQUITY>                10,841,809
<SALES>                                        827,236
<TOTAL-REVENUES>                               838,559
<CGS>                                                0
<TOTAL-COSTS>                                  310,977
<OTHER-EXPENSES>                                10,914
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             160,160
<INCOME-PRETAX>                                159,374
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            159,374
<DISCONTINUED>                                  45,807
<EXTRAORDINARY>                                  (451)
<CHANGES>                                            0
<NET-INCOME>                                   147,619
<EPS-BASIC>                                       1.11
<EPS-DILUTED>                                     1.11