<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1997 <PERIOD-END> SEP-30-1997 <CASH> 1,621,941 <SECURITIES> 0 <RECEIVABLES> 189,255 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 1,811,196 <PP&E> 7,889,460 <DEPRECIATION> 7,426,014 <TOTAL-ASSETS> 2,274,642 <CURRENT-LIABILITIES> 163,013 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,111,629 <TOTAL-LIABILITY-AND-EQUITY> 2,274,642 <SALES> 0 <TOTAL-REVENUES> 933,566 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 611,313 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 4,587 <INCOME-PRETAX> 317,666 <INCOME-TAX> 0 <INCOME-CONTINUING> 317,666 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 317,666 <EPS-PRIMARY> 0 <EPS-DILUTED> 0