<ARTICLE> 5
       
                                                  
<PERIOD-TYPE>                   3-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1996
<PERIOD-START>                             OCT-01-1996             JAN-01-1996
<PERIOD-END>                               DEC-31-1996             DEC-31-1996
<CASH>                                      19,609,000              19,609,000
<SECURITIES>                                         0                       0
<RECEIVABLES>                               17,630,000              17,630,000
<ALLOWANCES>                                         0                       0
<INVENTORY>                                          0                       0
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<PP&E>                                   1,421,034,000           1,421,034,000
<DEPRECIATION>                              43,160,000              43,160,000
<TOTAL-ASSETS>                           1,443,440,000           1,443,440,000
<CURRENT-LIABILITIES>                       27,600,000              27,600,000
<BONDS>                                    555,876,000             555,876,000
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                       356,000                 356,000
<OTHER-SE>                                 859,608,000             859,608,000
<TOTAL-LIABILITY-AND-EQUITY>             1,443,440,000           1,443,440,000
<SALES>                                     47,482,000             130,848,000
<TOTAL-REVENUES>                            50,160,000             137,926,000
<CGS>                                       13,103,000              35,313,000
<TOTAL-COSTS>                               21,841,000              57,408,000
<OTHER-EXPENSES>                             1,900,000               5,666,000
<LOSS-PROVISION>                                     0                       0
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<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                         13,306,000              41,460,000
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0               2,140,000
<CHANGES>                                            0                       0
<NET-INCOME>                                13,306,000              39,320,000
<EPS-PRIMARY>                                      .41                    1.51
<EPS-DILUTED>                                      .41                    1.51