<ARTICLE> 5 <LEGEND> This schedule contains summary financial information extracted from the Financial Statements contained in Item 1 of Form 10-Q for the period ended June 30, 2000 and is qualified in its entirety by reference to such financial statements. Figures are rounded to the nearest 100,000 (except EPS). </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> JUN-30-2000 <CASH> 6,300 <SECURITIES> 0 <RECEIVABLES> 227,400 <ALLOWANCES> 0 <INVENTORY> 131,300 <CURRENT-ASSETS> 391,400 <PP&E> 869,700 <DEPRECIATION> 545,500 <TOTAL-ASSETS> 798,400 <CURRENT-LIABILITIES> 218,200 <BONDS> 75,100 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 22,100 <OTHER-SE> 441,100 <TOTAL-LIABILITY-AND-EQUITY> 798,400 <SALES> 493,900 <TOTAL-REVENUES> 493,900 <CGS> 352,200 <TOTAL-COSTS> 352,200 <OTHER-EXPENSES> 89,900 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 5,600 <INCOME-PRETAX> 50,000 <INCOME-TAX> 17,000 <INCOME-CONTINUING> 33,000 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 33,000 <EPS-BASIC> 1.48 <EPS-DILUTED> 1.48