<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> JUN-30-2000 <CASH> 2,943,962 <SECURITIES> 0 <RECEIVABLES> 3,619,823 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 6,563,785 <PP&E> 12,076,780 <DEPRECIATION> 8,876,835 <TOTAL-ASSETS> 9,763,730 <CURRENT-LIABILITIES> 270,669 <BONDS> 1,052,817 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 8,440,244 <TOTAL-LIABILITY-AND-EQUITY> 9,763,730 <SALES> 0 <TOTAL-REVENUES> 1,413,173 <CGS> 0 <TOTAL-COSTS> 442,907 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 54,073 <INCOME-PRETAX> 916,193 <INCOME-TAX> 0 <INCOME-CONTINUING> 916,193 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 916,913 <EPS-BASIC> 0 <EPS-DILUTED> 0