<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> MAR-31-1999 <PERIOD-END> SEP-30-1998 <CASH> 135,204 <SECURITIES> 0 <RECEIVABLES> 200,931 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 357,326 <PP&E> 10,300,408 <DEPRECIATION> 6,522,710 <TOTAL-ASSETS> 4,135,024 <CURRENT-LIABILITIES> 414,627 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 811,644 <OTHER-SE> 1,382,753 <TOTAL-LIABILITY-AND-EQUITY> 4,135,024 <SALES> 376,602 <TOTAL-REVENUES> 380,756 <CGS> 192,059 <TOTAL-COSTS> 192,059 <OTHER-EXPENSES> 268,128 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 39,871 <INCOME-PRETAX> (79,431) <INCOME-TAX> 0 <INCOME-CONTINUING> (79,431) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (79,431) <EPS-PRIMARY> (.05) <EPS-DILUTED> (.05)