<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1994 <PERIOD-START> JAN-01-1995 <PERIOD-END> MAR-31-1995 <CASH> 113,051 <SECURITIES> 0 <RECEIVABLES> 36,291 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 150,342 <PP&E> 3,943,835 <DEPRECIATION> 2,795,210 <TOTAL-ASSETS> 2,945,552 <CURRENT-LIABILITIES> 27,118 <BONDS> 0 <COMMON> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 2,918,434 <TOTAL-LIABILITY-AND-EQUITY> 2,945,552 <SALES> 0 <TOTAL-REVENUES> 102,019 <CGS> 0 <TOTAL-COSTS> 56,693 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 45,326 <INCOME-TAX> 0 <INCOME-CONTINUING> 45,326 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 45,326 <EPS-PRIMARY> 1.66 <EPS-DILUTED> 1.66