<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> JUN-30-1996 <CASH> 761,899 <SECURITIES> 0 <RECEIVABLES> 10,881 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 772,780 <PP&E> 7,265,717 <DEPRECIATION> 5,396,377 <TOTAL-ASSETS> 2,642,120 <CURRENT-LIABILITIES> 199,583 <BONDS> 17,133 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,425,404 <TOTAL-LIABILITY-AND-EQUITY> 2,642,120 <SALES> 0 <TOTAL-REVENUES> 339,183 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 635,287 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 707 <INCOME-PRETAX> (296,104) <INCOME-TAX> 0 <INCOME-CONTINUING> (296,104) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (296,104) <EPS-PRIMARY> 0 <EPS-DILUTED> 0