<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-END> JUN-30-1999 <CASH> 3,764,691 <SECURITIES> 0 <RECEIVABLES> 0 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 0 <PP&E> 85,035,024 <DEPRECIATION> (55,310,949) <TOTAL-ASSETS> 40,796,284 <CURRENT-LIABILITIES> 0 <BONDS> 48,204,533 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 40,796,284 <SALES> 10,522,402 <TOTAL-REVENUES> 10,610,405 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 8,117,806 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 2,118,273 <INCOME-PRETAX> 374,326 <INCOME-TAX> 0 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 374,326 <EPS-BASIC> 0 <EPS-DILUTED> 0