<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1998 <PERIOD-END> MAR-31-1998 <CASH> 2,627,137 <SECURITIES> 298,756 <RECEIVABLES> 828,045 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 3,753,938 <PP&E> 5,720,390 <DEPRECIATION> 5,720,390 <TOTAL-ASSETS> 3,753,938 <CURRENT-LIABILITIES> 182,001 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 3,571,937 <TOTAL-LIABILITY-AND-EQUITY> 3,753,938 <SALES> 0 <TOTAL-REVENUES> 170,217 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 126,583 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 43,634 <INCOME-TAX> 0 <INCOME-CONTINUING> 43,634 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 43,634 <EPS-PRIMARY> 0 <EPS-DILUTED> 0