<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               MAR-31-1998
<CASH>                                          24,894
<SECURITIES>                                         0
<RECEIVABLES>                                  250,864
<ALLOWANCES>                                    18,373
<INVENTORY>                                    205,562
<CURRENT-ASSETS>                               557,900
<PP&E>                                       6,174,100
<DEPRECIATION>                               3,639,917
<TOTAL-ASSETS>                               4,385,620
<CURRENT-LIABILITIES>                          335,521
<BONDS>                                      2,384,520
<COMMON>                                        43,507
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                   1,098,229
<TOTAL-LIABILITY-AND-EQUITY>                 4,385,620
<SALES>                                        511,007
<TOTAL-REVENUES>                               545,810
<CGS>                                          307,782
<TOTAL-COSTS>                                  320,457
<OTHER-EXPENSES>                                84,826
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              41,880
<INCOME-PRETAX>                                 11,958
<INCOME-TAX>                                     2,300
<INCOME-CONTINUING>                              9,658
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     9,658
<EPS-PRIMARY>                                      .20<F1>
<EPS-DILUTED>                                      .20
        
<FN>
<F1> Reflects basic earnings per share.
</FN>