<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               DEC-31-1998
<CASH>                                           1,622
<SECURITIES>                                         0
<RECEIVABLES>                                   40,655
<ALLOWANCES>                                         0
<INVENTORY>                                     22,812
<CURRENT-ASSETS>                                72,271
<PP&E>                                       1,028,465
<DEPRECIATION>                                 478,790
<TOTAL-ASSETS>                                 647,620
<CURRENT-LIABILITIES>                           54,786
<BONDS>                                        281,900
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         2,774
<OTHER-SE>                                     183,082
<TOTAL-LIABILITY-AND-EQUITY>                   647,620
<SALES>                                        258,714
<TOTAL-REVENUES>                               266,305
<CGS>                                                0
<TOTAL-COSTS>                                  295,256
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              17,186
<INCOME-PRETAX>                                (50,093)
<INCOME-TAX>                                   (19,496)
<INCOME-CONTINUING>                            (30,597)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0  
<CHANGES>                                            0
<NET-INCOME>                                   (30,597)
<EPS-PRIMARY>                                    (1.23)
<EPS-DILUTED>                                    (1.23)
<FN>
The information has been prepared in accordance with SFAS No. 128. 
Basic and diluted EPS have been entered in place of primary and fully diluted,
respectively.
</FN>