<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> JUN-30-1999 <CASH> 149,074 <SECURITIES> 767 <RECEIVABLES> 44,599 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 194,440 <PP&E> 4,001,642 <DEPRECIATION> 1,737,973 <TOTAL-ASSETS> 2,458,109 <CURRENT-LIABILITIES> 32,490 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,425,619 <TOTAL-LIABILITY-AND-EQUITY> 2,458,109 <SALES> 0 <TOTAL-REVENUES> 259,219 <CGS> 0 <TOTAL-COSTS> 52,912 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 206,307 <INCOME-TAX> 0 <INCOME-CONTINUING> 206,307 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 206,307 <EPS-BASIC> 23.34 <EPS-DILUTED> 23.34