<ARTICLE>          5
<MULTIPLIER>   1,000
       
                         
<PERIOD-TYPE>               3-MOS
<FISCAL-YEAR-END>                   DEC-31-1998
<PERIOD-START>                      JAN-01-1998
<PERIOD-END>                        MAR-31-1998
<CASH>                                  108,980
<SECURITIES>                                  0
<RECEIVABLES>                           398,353
<ALLOWANCES>                             20,562
<INVENTORY>                              33,282
<CURRENT-ASSETS>                        732,397
<PP&E>                                2,569,054
<DEPRECIATION>                          625,573
<TOTAL-ASSETS>                        3,601,249
<CURRENT-LIABILITIES>                   498,630
<BONDS>                               1,925,404
<PREFERRED-MANDATORY>                         0
<PREFERRED>                                  44
<COMMON>                                 25,175
<OTHER-SE>                              534,874
<TOTAL-LIABILITY-AND-EQUITY>          3,601,249
<SALES>                                 115,822
<TOTAL-REVENUES>                        384,875
<CGS>                                   108,739
<TOTAL-COSTS>                           223,603
<OTHER-EXPENSES>                              0
<LOSS-PROVISION>                            243
<INTEREST-EXPENSE>                        8,596
<INCOME-PRETAX>                          18,899
<INCOME-TAX>                              6,709
<INCOME-CONTINUING>                      11,700
<DISCONTINUED>                                0
<EXTRAORDINARY>                               0
<CHANGES>                                     0
<NET-INCOME>                             11,700
<EPS-PRIMARY>                              0.23
<EPS-DILUTED>                              0.23