<ARTICLE> 5
<MULTIPLIER> 1,000

                                                  
<PERIOD-TYPE>                   3-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-1999
<PERIOD-START>                             JUL-01-1999             JAN-01-1999
<PERIOD-END>                               SEP-30-1999             SEP-30-1999
<CASH>                                          48,478                  48,478
<SECURITIES>                                         0                       0
<RECEIVABLES>                                   96,371                  96,371
<ALLOWANCES>                                       698                     698
<INVENTORY>                                          0                       0
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<PP&E>                                       3,830,849               3,830,849
<DEPRECIATION>                                 217,862                 217,862
<TOTAL-ASSETS>                               4,079,518               4,079,518
<CURRENT-LIABILITIES>                          113,257                 113,257
<BONDS>                                      1,775,002               1,775,002
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                    384,997                 384,997
<COMMON>                                             0                       0
<OTHER-SE>                                   1,806,262               1,806,262
<TOTAL-LIABILITY-AND-EQUITY>                 4,079,518               4,079,518
<SALES>                                        135,886                 423,021
<TOTAL-REVENUES>                               139,847                 436,688
<CGS>                                           40,902                 130,276
<TOTAL-COSTS>                                   66,926                 212,029
<OTHER-EXPENSES>                                 4,701                  16,256
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                              25,440                  84,679
<INCOME-PRETAX>                                 42,943                 125,980
<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                             42,943                 125,980
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                (4,997)                 (5,774)
<CHANGES>                                            0                       0
<NET-INCOME>                                    29,801                  95,771
<EPS-BASIC>                                        .42                    1.37
<EPS-DILUTED>                                      .42                    1.37