<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> SEP-30-1999 <CASH> 6,069,882 <SECURITIES> 231,495 <RECEIVABLES> 1,335,794 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 7,405,676 <PP&E> 14,537,800 <DEPRECIATION> (8,013,170) <TOTAL-ASSETS> 14,161,801 <CURRENT-LIABILITIES> 536,215 <BONDS> 2,968,570 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 10,657,016 <TOTAL-LIABILITY-AND-EQUITY> 14,161,801 <SALES> 0 <TOTAL-REVENUES> 2,422,794 <CGS> 0 <TOTAL-COSTS> 1,068,392 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 182,809 <INCOME-PRETAX> 1,171,593 <INCOME-TAX> 0 <INCOME-CONTINUING> 1,171,593 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,171,593 <EPS-BASIC> 0 <EPS-DILUTED> 0