<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1998 <PERIOD-END> MAR-31-1998 <CASH> 2,798,453 <SECURITIES> 0 <RECEIVABLES> 89,760 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 2,888,213 <PP&E> 3,365,432 <DEPRECIATION> 2,817,004 <TOTAL-ASSETS> 3,436,641 <CURRENT-LIABILITIES> 74,249 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 3,362,392 <TOTAL-LIABILITY-AND-EQUITY> 3,436,641 <SALES> 0 <TOTAL-REVENUES> 138,725 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 83,170 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 55,555 <INCOME-TAX> 0 <INCOME-CONTINUING> 55,555 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 55,555 <EPS-PRIMARY> 0 <EPS-DILUTED> 0