<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
condensed financial statements for the six month period ended June 30, 1996,
and is qualified in its entirety by reference to such financial statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               JUN-30-1996
<CASH>                                           2,209
<SECURITIES>                                         0
<RECEIVABLES>                                   21,820
<ALLOWANCES>                                     2,268
<INVENTORY>                                          0
<CURRENT-ASSETS>                                38,302
<PP&E>                                       1,307,365
<DEPRECIATION>                                 296,071
<TOTAL-ASSETS>                               1,063,991
<CURRENT-LIABILITIES>                           87,845
<BONDS>                                        597,414
<COMMON>                                         8,307
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                     345,833
<TOTAL-LIABILITY-AND-EQUITY>                 1,063,991
<SALES>                                              0
<TOTAL-REVENUES>                               218,780
<CGS>                                                0
<TOTAL-COSTS>                                  107,635
<OTHER-EXPENSES>                                31,821
<LOSS-PROVISION>                                   584
<INTEREST-EXPENSE>                              20,360
<INCOME-PRETAX>                                 49,245
<INCOME-TAX>                                    18,221
<INCOME-CONTINUING>                             31,024
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                  (244)
<CHANGES>                                            0
<NET-INCOME>                                    30,780
<EPS-PRIMARY>                                      .38
<EPS-DILUTED>                                      .38