<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-END> SEP-30-1996 <CASH> 27 <SECURITIES> 0 <RECEIVABLES> 106,274 <ALLOWANCES> 899 <INVENTORY> 153,794 <CURRENT-ASSETS> 289,741 <PP&E> 1,687,854 <DEPRECIATION> 463,106 <TOTAL-ASSETS> 1,946,344 <CURRENT-LIABILITIES> 248,978 <BONDS> 363,570 <PREFERRED-MANDATORY> 6,900 <PREFERRED> 3,450 <COMMON> 44,024 <OTHER-SE> 1,024,448 <TOTAL-LIABILITY-AND-EQUITY> 1,946,344 <SALES> 1,927,590 <TOTAL-REVENUES> 1,927,590 <CGS> 1,857,891 <TOTAL-COSTS> 1,857,891 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 28,896 <INCOME-PRETAX> 45,668 <INCOME-TAX> 17,911 <INCOME-CONTINUING> 27,757 <DISCONTINUED> 26,144 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 53,901 <EPS-PRIMARY> 1.03 <EPS-DILUTED> 0