<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1997 <PERIOD-END> SEP-30-1997 <CASH> 1,453,832 <SECURITIES> 0 <RECEIVABLES> 50,267 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 1,504,099 <PP&E> 4,601,055 <DEPRECIATION> 3,262,638 <TOTAL-ASSETS> 2,842,516 <CURRENT-LIABILITIES> 111,738 <BONDS> 113,044 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,617,734 <TOTAL-LIABILITY-AND-EQUITY> 2,842,516 <SALES> 0 <TOTAL-REVENUES> 631,149 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 451,316 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 37,516 <INCOME-PRETAX> 142,317 <INCOME-TAX> 0 <INCOME-CONTINUING> 142,317 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 142,317 <EPS-PRIMARY> 0 <EPS-DILUTED> 0