<ARTICLE> 5 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1997 <PERIOD-END> DEC-31-1997 <CASH> 1,792,606 <SECURITIES> 0 <RECEIVABLES> 100,660 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 1,893,266 <PP&E> 3,971,185 <DEPRECIATION> 3,720,329 <TOTAL-ASSETS> 2,144,122 <CURRENT-LIABILITIES> 84,137 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,059,985 <TOTAL-LIABILITY-AND-EQUITY> 2,144,122 <SALES> 0 <TOTAL-REVENUES> 635,778 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 499,051 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 136,727 <INCOME-TAX> 0 <INCOME-CONTINUING> 136,727 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 136,727 <EPS-PRIMARY> 0 <EPS-DILUTED> 0