<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-1-1999 <PERIOD-END> SEP-30-1999 <CASH> 340,805 <SECURITIES> 28,575 <RECEIVABLES> 778,375 <ALLOWANCES> 0 <INVENTORY> 298,084 <CURRENT-ASSETS> 1,475,905 <PP&E> 23,378,738 <DEPRECIATION> (18,090,230) <TOTAL-ASSETS> 6,912,739 <CURRENT-LIABILITIES> 863,031 <BONDS> 1,653,757 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 40,123 <OTHER-SE> 4,190,828 <TOTAL-LIABILITY-AND-EQUITY> 6,912,739 <SALES> 2,192,031 <TOTAL-REVENUES> 2,224,030 <CGS> 1,173,626 <TOTAL-COSTS> 1,833,313 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 124,233 <INCOME-PRETAX> 266,484 <INCOME-TAX> 25,000 <INCOME-CONTINUING> 241,484 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 241,484 <EPS-BASIC> .06 <EPS-DILUTED> .06