<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> JUL-31-1998 <PERIOD-END> OCT-31-1997 <CASH> 4,100,000 <SECURITIES> 1,553,000 <RECEIVABLES> 23,337,000 <ALLOWANCES> 245,000 <INVENTORY> 10,991,000 <CURRENT-ASSETS> 44,446,000 <PP&E> 115,823,000 <DEPRECIATION> (60,574,000) <TOTAL-ASSETS> 111,397,000 <CURRENT-LIABILITIES> 14,060,000 <BONDS> 17,052,000 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 724,000 <OTHER-SE> 75,068,000 <TOTAL-LIABILITY-AND-EQUITY> 111,397,000 <SALES> 39,749,000 <TOTAL-REVENUES> 39,749,000 <CGS> 27,851,000 <TOTAL-COSTS> 27,851,000 <OTHER-EXPENSES> 8,879,000 <LOSS-PROVISION> (20,000) <INTEREST-EXPENSE> 439,000 <INCOME-PRETAX> 2,600,000 <INCOME-TAX> 728,000 <INCOME-CONTINUING> 1,872,000 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,872,000 <EPS-PRIMARY> 0.30 <EPS-DILUTED> 0.30