<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> SEP-30-1999 <CASH> 140,497 <SECURITIES> 1,108 <RECEIVABLES> 40,934 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 182,539 <PP&E> 3,943,835 <DEPRECIATION> 1,585,086 <TOTAL-ASSETS> 2,541,288 <CURRENT-LIABILITIES> 18,984 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,522,304 <TOTAL-LIABILITY-AND-EQUITY> 2,541,288 <SALES> 0 <TOTAL-REVENUES> 369,107 <CGS> 0 <TOTAL-COSTS> 83,138 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 285,969 <INCOME-TAX> 0 <INCOME-CONTINUING> 285,969 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 285,969 <EPS-BASIC> 10.48 <EPS-DILUTED> 10.48