<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> MAR-31-1997 <CASH> 97,359 <SECURITIES> 1,000 <RECEIVABLES> 38,054 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 136,413 <PP&E> 3,943,835 <DEPRECIATION> 1,436,778 <TOTAL-ASSETS> 2,643,470 <CURRENT-LIABILITIES> 9,864 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,633,606 <TOTAL-LIABILITY-AND-EQUITY> 2,643,470 <SALES> 0 <TOTAL-REVENUES> 105,172 <CGS> 0 <TOTAL-COSTS> 57,913 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 47,259 <INCOME-TAX> 0 <INCOME-CONTINUING> 47,259 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 47,259 <EPS-PRIMARY> 1.73 <EPS-DILUTED> 1.73