<ARTICLE> 5 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> DEC-31-1997 <CASH> 119,687 <SECURITIES> 1,000 <RECEIVABLES> 38,332 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 159,019 <PP&E> 3,943,835 <DEPRECIATION> 1,490,271 <TOTAL-ASSETS> 2,612,583 <CURRENT-LIABILITIES> 13,973 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,598,610 <TOTAL-LIABILITY-AND-EQUITY> 2,612,583 <SALES> 0 <TOTAL-REVENUES> 454,148 <CGS> 0 <TOTAL-COSTS> 139,107 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 315,041 <INCOME-TAX> 0 <INCOME-CONTINUING> 315,041 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 315,041 <EPS-PRIMARY> 11.55 <EPS-DILUTED> 11.55