<ARTICLE> 5 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> DEC-31-1997 <CASH> 2,189,000 <SECURITIES> 0 <RECEIVABLES> 16,615,000 <ALLOWANCES> (328,000) <INVENTORY> 17,595,000 <CURRENT-ASSETS> 38,185,000 <PP&E> 104,821,000 <DEPRECIATION> (34,009,000) <TOTAL-ASSETS> 118,774,000 <CURRENT-LIABILITIES> 19,210,000 <BONDS> 0 <COMMON> 9,204,000 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 67,330,000 <TOTAL-LIABILITY-AND-EQUITY> 118,774,000 <SALES> 97,226,000 <TOTAL-REVENUES> 97,226,000 <CGS> 70,826,000 <TOTAL-COSTS> 88,855,000 <OTHER-EXPENSES> (1,635,000) <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 1,944,000 <INCOME-PRETAX> 8,062,000 <INCOME-TAX> 2,269,000 <INCOME-CONTINUING> 5,793,000 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 5,793,000 <EPS-PRIMARY> 0.72 <EPS-DILUTED> 0.70