
<TABLE> <S> <C>

<ARTICLE>                                                         5
<MULTIPLIER>                                                  1,000
       
<S>                                    <C>
<FISCAL-YEAR-END>                      DEC-31-1995
<PERIOD-START>                         JAN-01-1995
<PERIOD-END>                           MAR-31-1995
<PERIOD-TYPE>                          3-MOS
<CASH>                                                      28,227
<SECURITIES>                                                34,308
<RECEIVABLES>                                              148,665
<ALLOWANCES>                                                 5,485
<INVENTORY>                                                 25,248
<CURRENT-ASSETS>                                           271,955
<PP&E>                                                   1,277,925
<DEPRECIATION>                                             566,425
<TOTAL-ASSETS>                                           1,672,594
<CURRENT-LIABILITIES>                                      186,847
<BONDS>                                                          0
<PREFERRED-MANDATORY>                                            0
<PREFERRED>                                                      0
<COMMON>                                                       799
<OTHER-SE>                                               1,104,427
<TOTAL-LIABILITY-AND-EQUITY>                             1,672,594
<SALES>                                                    312,264
<TOTAL-REVENUES>                                           312,264
<CGS>                                                            0
<TOTAL-COSTS>                                                    0
<OTHER-EXPENSES>                                           258,380
<LOSS-PROVISION>                                             1,862
<INTEREST-EXPENSE>                                           3,487
<INCOME-PRETAX>                                             52,024
<INCOME-TAX>                                                21,975
<INCOME-CONTINUING>                                         29,114
<DISCONTINUED>                                                   0
<EXTRAORDINARY>                                                  0
<CHANGES>                                                        0
<NET-INCOME>                                                29,114
<EPS-PRIMARY>                                                $0.36
<EPS-DILUTED>                                                $0.36
        

</TABLE>
