<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> SEP-30-1997 <CASH> 124,382 <SECURITIES> 1,000 <RECEIVABLES> 36,955 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 162,337 <PP&E> 3,943,835 <DEPRECIATION> 1,486,342 <TOTAL-ASSETS> 2,619,830 <CURRENT-LIABILITIES> 8,639 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,611,191 <TOTAL-LIABILITY-AND-EQUITY> 2,619,830 <SALES> 0 <TOTAL-REVENUES> 338,087 <CGS> 0 <TOTAL-COSTS> 124,393 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 213,694 <INCOME-TAX> 0 <INCOME-CONTINUING> 213,694 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 213,694 <EPS-PRIMARY> 7.83 <EPS-DILUTED> 7.83