<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the combined
condensed financial statements for the six month period ended June 30, 1995, and
is qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-START>                             JAN-01-1995
<PERIOD-END>                               JUN-30-1995
<CASH>                                           6,694
<SECURITIES>                                         0
<RECEIVABLES>                                   24,014
<ALLOWANCES>                                     2,771
<INVENTORY>                                          0
<CURRENT-ASSETS>                                38,569
<PP&E>                                       1,091,669
<DEPRECIATION>                                 270,139
<TOTAL-ASSETS>                                 885,082
<CURRENT-LIABILITIES>                           75,058
<BONDS>                                        465,997
<COMMON>                                         4,936
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                     217,647
<TOTAL-LIABILITY-AND-EQUITY>                   885,082
<SALES>                                              0
<TOTAL-REVENUES>                               206,778
<CGS>                                                0
<TOTAL-COSTS>                                  103,128
<OTHER-EXPENSES>                                20,630
<LOSS-PROVISION>                                   433
<INTEREST-EXPENSE>                              20,383
<INCOME-PRETAX>                                 44,848
<INCOME-TAX>                                    17,087
<INCOME-CONTINUING>                             27,761
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    27,761
<EPS-PRIMARY>                                      .56
<EPS-DILUTED>                                      .56