<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> APR-30-1998 <PERIOD-END> OCT-31-1997 <CASH> 2,990,105 <SECURITIES> 0 <RECEIVABLES> 5,011,197 <ALLOWANCES> 205,813 <INVENTORY> 6,415,749 <CURRENT-ASSETS> 16,172,236 <PP&E> 68,335,850 <DEPRECIATION> 24,570,106 <TOTAL-ASSETS> 64,554,811 <CURRENT-LIABILITIES> 16,826,771 <BONDS> 28,311,262 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 56,126 <OTHER-SE> 17,455,052 <TOTAL-LIABILITY-AND-EQUITY> 64,554,811 <SALES> 111,130,059 <TOTAL-REVENUES> 111,130,059 <CGS> 85,283,116 <TOTAL-COSTS> 21,576,367 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 75,994 <INTEREST-EXPENSE> 1,600,607 <INCOME-PRETAX> 2,788,411 <INCOME-TAX> 1,154,400 <INCOME-CONTINUING> 1,634,011 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,634,011 <EPS-PRIMARY> .28 <EPS-DILUTED> .23