<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>                                         175,274
<SECURITIES>                                         0
<RECEIVABLES>                                  125,023
<ALLOWANCES>                                    16,448
<INVENTORY>                                     56,644
<CURRENT-ASSETS>                               412,233
<PP&E>                                       1,516,186
<DEPRECIATION>                                 662,620
<TOTAL-ASSETS>                               1,434,357
<CURRENT-LIABILITIES>                          214,696
<BONDS>                                        342,142
<PREFERRED-MANDATORY>                           29,326
<PREFERRED>                                          0
<COMMON>                                        20,443
<OTHER-SE>                                     428,618
<TOTAL-LIABILITY-AND-EQUITY>                 1,434,357
<SALES>                                        700,945
<TOTAL-REVENUES>                               970,204
<CGS>                                          531,774
<TOTAL-COSTS>                                  751,674
<OTHER-EXPENSES>                                94,368
<LOSS-PROVISION>                                13,222
<INTEREST-EXPENSE>                              34,318
<INCOME-PRETAX>                                 76,622
<INCOME-TAX>                                    24,672
<INCOME-CONTINUING>                             51,950
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    51,950
<EPS-PRIMARY>                                     2.55<F1>
<EPS-DILUTED>                                     2.54<F2>
<FN>
<F1> EPS - Primary is EPS Basic per SFAS 128
<F2> EPS - Fully Diluted is EPS - Diluted per SFAS 128
</FN>