<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> JUN-30-1998 <CASH> 1,436,765 <SECURITIES> 0 <RECEIVABLES> 54,576 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 1,491,341 <PP&E> 4,501,224 <DEPRECIATION> 3,407,952 <TOTAL-ASSETS> 2,584,613 <CURRENT-LIABILITIES> 325,282 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,259,331 <TOTAL-LIABILITY-AND-EQUITY> 2,584,613 <SALES> 0 <TOTAL-REVENUES> 237,637 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 522,190 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> (284,553) <INCOME-TAX> 0 <INCOME-CONTINUING> (284,553) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (284,553) <EPS-PRIMARY> 0 <EPS-DILUTED> 0