<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>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               SEP-30-1997
<EXCHANGE-RATE>                                      1
<CASH>                                         181,482
<SECURITIES>                                         0
<RECEIVABLES>                                   73,595
<ALLOWANCES>                                    18,963
<INVENTORY>                                     64,955
<CURRENT-ASSETS>                               359,902
<PP&E>                                       1,587,406
<DEPRECIATION>                                 674,562
<TOTAL-ASSETS>                               1,432,493
<CURRENT-LIABILITIES>                          167,355
<BONDS>                                        343,469
<COMMON>                                        22,427
<PREFERRED-MANDATORY>                           29,318
<PREFERRED>                                          0
<OTHER-SE>                                     452,519
<TOTAL-LIABILITY-AND-EQUITY>                 1,432,493
<SALES>                                        558,179
<TOTAL-REVENUES>                               758,324
<CGS>                                          376,504
<TOTAL-COSTS>                                  589,341
<OTHER-EXPENSES>                                74,096
<LOSS-PROVISION>                                11,353
<INTEREST-EXPENSE>                              27,814
<INCOME-PRETAX>                                 55,720
<INCOME-TAX>                                    18,405
<INCOME-CONTINUING>                             37,315
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    37,315
<EPS-PRIMARY>                                     1.67<F1>
<EPS-DILUTED>                                     1.66<F2>
<FN>
<F1>   EPS - Primary is EPS Basic per SFAS 128
<F2>   EPS - Fully Diluted is EPS - Diluted per SFAS 128
</FN>