<ARTICLE> 5
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               MAR-31-1996
<EXCHANGE-RATE>                                      1
<CASH>                                           4,185
<SECURITIES>                                       152
<RECEIVABLES>                                  330,730
<ALLOWANCES>                                    13,080
<INVENTORY>                                    161,361
<CURRENT-ASSETS>                               597,457
<PP&E>                                       7,844,115
<DEPRECIATION>                               2,756,261
<TOTAL-ASSETS>                               6,450,519
<CURRENT-LIABILITIES>                          573,561
<BONDS>                                      2,260,293
<PREFERRED-MANDATORY>                          151,237
<PREFERRED>                                          0
<COMMON>                                       170,086
<OTHER-SE>                                   1,988,053
<TOTAL-LIABILITY-AND-EQUITY>                 6,450,519
<SALES>                                        648,018
<TOTAL-REVENUES>                               648,018
<CGS>                                          402,725
<TOTAL-COSTS>                                  517,180
<OTHER-EXPENSES>                                 2,325
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              44,885
<INCOME-PRETAX>                                 84,664
<INCOME-TAX>                                    33,246
<INCOME-CONTINUING>                             51,418
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    51,418
<EPS-PRIMARY>                                     0.43
<EPS-DILUTED>                                     0.43