<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-END> SEP-30-1999 <CASH> 3,315,602 <SECURITIES> 0 <RECEIVABLES> 0 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 0 <PP&E> 83,660,885 <DEPRECIATION> (58,123,623) <TOTAL-ASSETS> 32,110,665 <CURRENT-LIABILITIES> 0 <BONDS> 35,422,838 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 32,110,665 <SALES> 11,682,320 <TOTAL-REVENUES> 11,787,959 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 8,982,595 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 2,486,658 <INCOME-PRETAX> 318,706 <INCOME-TAX> 0 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 318,706 <EPS-BASIC> 0 <EPS-DILUTED> 0