<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> JUN-30-1997 <CASH> 3,856,308 <SECURITIES> 3,080,160 <RECEIVABLES> 1,933,659 <ALLOWANCES> 0 <INVENTORY> 4,260,408 <CURRENT-ASSETS> 13,453,559 <PP&E> 86,950,542 <DEPRECIATION> (32,594,711) <TOTAL-ASSETS> 68,550,403 <CURRENT-LIABILITIES> 8,211,339 <BONDS> 450,000 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 12,180 <OTHER-SE> 52,810,817 <TOTAL-LIABILITY-AND-EQUITY> 68,550,403 <SALES> 6,984,593 <TOTAL-REVENUES> 6,984,593 <CGS> 6,653,608 <TOTAL-COSTS> 8,157,181 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (99,622) <INCOME-PRETAX> (414,918) <INCOME-TAX> (83,225) <INCOME-CONTINUING> (331,693) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (331,693) <EPS-PRIMARY> (0.03) <EPS-DILUTED> (0.03)