<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1998 <PERIOD-END> MAR-31-1998 <CASH> 1,483,627 <SECURITIES> 0 <RECEIVABLES> 52,863 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 1,536,490 <PP&E> 4,566,706 <DEPRECIATION> 3,408,478 <TOTAL-ASSETS> 2,694,718 <CURRENT-LIABILITIES> 74,463 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,620,255 <TOTAL-LIABILITY-AND-EQUITY> 2,694,718 <SALES> 0 <TOTAL-REVENUES> 132,493 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 112,710 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 19,783 <INCOME-TAX> 0 <INCOME-CONTINUING> 19,783 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 19,783 <EPS-PRIMARY> 0 <EPS-DILUTED> 0