<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
CONSOLIDATED STATEMENTS OF INCOME AND CONSOLIDATED BALANCE SHEETS AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
       
                                               
<MULTIPLIER>                                     1,000
<PERIOD-TYPE>                                     YEAR
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-END>                               DEC-31-1995
<CASH>                                          91,442
<SECURITIES>                                         0
<RECEIVABLES>                                  303,839
<ALLOWANCES>                                    25,865
<INVENTORY>                                     42,844
<CURRENT-ASSETS>                               462,635
<PP&E>                                       2,016,930
<DEPRECIATION>                                 740,864
<TOTAL-ASSETS>                               3,376,730
<CURRENT-LIABILITIES>                          516,916
<BONDS>                                        637,873
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                      1,753
<COMMON>                                        10,952
<OTHER-SE>                                   1,599,397
<TOTAL-LIABILITY-AND-EQUITY>                 3,376,730
<SALES>                                              0
<TOTAL-REVENUES>                             2,409,403
<CGS>                                                0
<TOTAL-COSTS>                                1,304,418
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              25,230
<INCOME-PRETAX>                                214,641
<INCOME-TAX>                                    92,832
<INCOME-CONTINUING>                            135,860
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   135,860
<EPS-PRIMARY>                                     1.40
<EPS-DILUTED>                                     1.40