<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>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               DEC-31-1997
<EXCHANGE-RATE>                                      1
<CASH>                                         175,709
<SECURITIES>                                         0
<RECEIVABLES>                                  128,460
<ALLOWANCES>                                    17,220
<INVENTORY>                                     61,336
<CURRENT-ASSETS>                               421,068
<PP&E>                                       1,621,850
<DEPRECIATION>                                 688,169
<TOTAL-ASSETS>                               1,530,365
<CURRENT-LIABILITIES>                          225,365
<BONDS>                                        371,492
<COMMON>                                        22,438
<PREFERRED-MANDATORY>                           29,326
<PREFERRED>                                          0
<OTHER-SE>                                     462,032
<TOTAL-LIABILITY-AND-EQUITY>                 1,530,365
<SALES>                                        754,481
<TOTAL-REVENUES>                             1,023,740
<CGS>                                          565,631
<TOTAL-COSTS>                                  785,531
<OTHER-EXPENSES>                               104,092
<LOSS-PROVISION>                                13,836
<INTEREST-EXPENSE>                              37,411
<INCOME-PRETAX>                                 82,870
<INCOME-TAX>                                    26,954
<INCOME-CONTINUING>                             55,916
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    55,916
<EPS-PRIMARY>                                     2.50<F1>
<EPS-DILUTED>                                     2.49<F2>
<FN>
<F1>   EPS - Primary is EPS Basic per SFAS 128
<F2>   EPS - Fully Diluted is EPS - Diluted per SFAS 128
</FN>