<ARTICLE> 5
<LEGEND>
This  schedule  contains  summary  financial   information  extracted  from  the
consolidated  statement of earnings and the  consolidated  balance sheets and is
qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               MAR-31-1996
<EXCHANGE-RATE>                                      1
<CASH>                                         201,960
<SECURITIES>                                         0
<RECEIVABLES>                                  194,188
<ALLOWANCES>                                    20,128
<INVENTORY>                                     31,764
<CURRENT-ASSETS>                               416,354
<PP&E>                                       1,466,774
<DEPRECIATION>                                 605,629
<TOTAL-ASSETS>                               1,440,244
<CURRENT-LIABILITIES>                          224,739
<BONDS>                                        376,163
<COMMON>                                        22,317
<PREFERRED-MANDATORY>                           29,603
<PREFERRED>                                          0
<OTHER-SE>                                     430,449
<TOTAL-LIABILITY-AND-EQUITY>                 1,440,244
<SALES>                                        350,303
<TOTAL-REVENUES>                               426,182
<CGS>                                          275,596
<TOTAL-COSTS>                                  333,729
<OTHER-EXPENSES>                                23,526
<LOSS-PROVISION>                                 6,936
<INTEREST-EXPENSE>                               9,870
<INCOME-PRETAX>                                 52,121
<INCOME-TAX>                                    19,447
<INCOME-CONTINUING>                             32,674
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    32,674
<EPS-PRIMARY>                                     1.47<F1>
<EPS-DILUTED>                                     1.46<F2>
<FN>
<F1>   EPS - Primary is EPS Basic per SFAS 128
<F2>   EPS - Fully Diluted is EPS - Diluted per SFAS 128
</FN>