<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM 9/30/96
FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               SEP-30-1996
<CASH>                                          51,912
<SECURITIES>                                     3,956
<RECEIVABLES>                                   26,335
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                89,563
<PP&E>                                         709,494
<DEPRECIATION>                                  49,855
<TOTAL-ASSETS>                                 913,110
<CURRENT-LIABILITIES>                           67,689
<BONDS>                                        387,299
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                      8,516
<COMMON>                                           363
<OTHER-SE>                                     311,039
<TOTAL-LIABILITY-AND-EQUITY>                   913,110
<SALES>                                         93,549
<TOTAL-REVENUES>                                97,731
<CGS>                                           28,035
<TOTAL-COSTS>                                   28,035
<OTHER-EXPENSES>                                18,036
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              13,322
<INCOME-PRETAX>                                 47,635
<INCOME-TAX>                                     4,039
<INCOME-CONTINUING>                             43,596
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                (1,196)
<CHANGES>                                            0
<NET-INCOME>                                    42,400
<EPS-PRIMARY>                                     1.12
<EPS-DILUTED>                                     1.14