<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-END> JUN-30-1997 <CASH> 1,820,000 <SECURITIES> 0 <RECEIVABLES> 18,394,000 <ALLOWANCES> (466,000) <INVENTORY> 17,343,000 <CURRENT-ASSETS> 39,479,000 <PP&E> 101,801,000 <DEPRECIATION> (35,618,000) <TOTAL-ASSETS> 115,401,000 <CURRENT-LIABILITIES> 17,786,000 <BONDS> 0 <COMMON> 9,016,000 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 66,114,000 <TOTAL-LIABILITY-AND-EQUITY> 115,401,000 <SALES> 73,672,000 <TOTAL-REVENUES> 73,672,000 <CGS> 53,522,000 <TOTAL-COSTS> 67,280,000 <OTHER-EXPENSES> (1,342,000) <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 1,506,000 <INCOME-PRETAX> 6,228,000 <INCOME-TAX> 2,207,000 <INCOME-CONTINUING> 4,021,000 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 4,021,000 <EPS-PRIMARY> 0.50 <EPS-DILUTED> 0.50