<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> SEP-30-1997 <CASH> 139,752 <SECURITIES> 600 <RECEIVABLES> 44,442 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 184,794 <PP&E> 4,001,642 <DEPRECIATION> 1,661,372 <TOTAL-ASSETS> 2,525,064 <CURRENT-LIABILITIES> 13,837 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,511,227 <TOTAL-LIABILITY-AND-EQUITY> 2,525,064 <SALES> 0 <TOTAL-REVENUES> 363,507 <CGS> 0 <TOTAL-COSTS> 68,060 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 295,447 <INCOME-TAX> 0 <INCOME-CONTINUING> 295,447 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 295,447 <EPS-PRIMARY> 33.42 <EPS-DILUTED> 33.42