<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> JUN-30-1999 <CASH> 3,955,641 <SECURITIES> 86,113 <RECEIVABLES> 747,563 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 9,789,317 <PP&E> 14,245,813 <DEPRECIATION> (7,359,820) <TOTAL-ASSETS> 11,675,310 <CURRENT-LIABILITIES> 525,678 <BONDS> 2,941,387 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 8,208,245 <TOTAL-LIABILITY-AND-EQUITY> 11,675,310 <SALES> 0 <TOTAL-REVENUES> 1,748,027 <CGS> 0 <TOTAL-COSTS> 692,691 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 122,023 <INCOME-PRETAX> 933,313 <INCOME-TAX> 0 <INCOME-CONTINUING> 933,313 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 933,313 <EPS-BASIC> 0 <EPS-DILUTED> 0