<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1997 <PERIOD-END> SEP-30-1997 <CASH> 2,541,383 <SECURITIES> 0 <RECEIVABLES> 153,776 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 2,695,159 <PP&E> 3,806,114 <DEPRECIATION> 3,161,800 <TOTAL-ASSETS> 3,339,473 <CURRENT-LIABILITIES> 121,051 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 3,218,422 <TOTAL-LIABILITY-AND-EQUITY> 3,339,473 <SALES> 0 <TOTAL-REVENUES> 898,512 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 361,491 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 18,835 <INCOME-PRETAX> 518,186 <INCOME-TAX> 0 <INCOME-CONTINUING> 518,186 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 518,186 <EPS-PRIMARY> 0 <EPS-DILUTED> 0