<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED FINANCIAL STATEMENTS FOR THE THREE MONTH PERIOD ENDED
MARCH 31, 1996, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               MAR-31-1996
<CASH>                                            2358
<SECURITIES>                                         0
<RECEIVABLES>                                    21042
<ALLOWANCES>                                      2282
<INVENTORY>                                          0
<CURRENT-ASSETS>                                 36726
<PP&E>                                         1238746
<DEPRECIATION>                                  286783
<TOTAL-ASSETS>                                 1003368
<CURRENT-LIABILITIES>                            83461
<BONDS>                                         564626
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                          5501
<OTHER-SE>                                      323312
<TOTAL-LIABILITY-AND-EQUITY>                   1003368
<SALES>                                              0
<TOTAL-REVENUES>                                102758
<CGS>                                                0
<TOTAL-COSTS>                                    52891
<OTHER-EXPENSES>                                 17360
<LOSS-PROVISION>                                   310
<INTEREST-EXPENSE>                               10165
<INCOME-PRETAX>                                  17249
<INCOME-TAX>                                      6382
<INCOME-CONTINUING>                              10867
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     10867
<EPS-PRIMARY>                                      .20
<EPS-DILUTED>                                      .20