<ARTICLE> 5 <RESTATED> <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> MAR-31-1997 <CASH> 11 <SECURITIES> 0 <RECEIVABLES> 138,046 <ALLOWANCES> 1,050 <INVENTORY> 180,871 <CURRENT-ASSETS> 346,049 <PP&E> 1,715,790 <DEPRECIATION> 493,220 <TOTAL-ASSETS> 1,993,932 <CURRENT-LIABILITIES> 301,469 <BONDS> 334,993 <PREFERRED-MANDATORY> 0 <PREFERRED> 3,450 <COMMON> 44,872 <OTHER-SE> 1,050,622 <TOTAL-LIABILITY-AND-EQUITY> 1,993,932 <SALES> 821,802 <TOTAL-REVENUES> 821,802 <CGS> 783,389 <TOTAL-COSTS> 783,389 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 9,463 <INCOME-PRETAX> 29,905 <INCOME-TAX> 10,094 <INCOME-CONTINUING> 19,811 <DISCONTINUED> (4,371) <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 15,440 <EPS-PRIMARY> .29 <EPS-DILUTED> .30