<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-END> SEP-30-1999 <CASH> 1,465 <SECURITIES> 0 <RECEIVABLES> 51,691 <ALLOWANCES> (277) <INVENTORY> 11,450 <CURRENT-ASSETS> 104,649 <PP&E> 1,070,084 <DEPRECIATION> (482,377) <TOTAL-ASSETS> 694,717 <CURRENT-LIABILITIES> 90,590 <BONDS> 319,000 <COMMON> 195,728 <PREFERRED-MANDATORY> 0 <PREFERRED> 56,700 <OTHER-SE> (70,123) <TOTAL-LIABILITY-AND-EQUITY> 694,717 <SALES> 119,607 <TOTAL-REVENUES> 122,031 <CGS> 101,990 <TOTAL-COSTS> 101,990 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 19,674 <INCOME-PRETAX> 5,386 <INCOME-TAX> 2,338 <INCOME-CONTINUING> 3,048 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 3,048 <EPS-BASIC> 0.02 <EPS-DILUTED> 0.02