<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-END> MAR-31-1999 <CASH> 2,697,036 <SECURITIES> 0 <RECEIVABLES> 0 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 0 <PP&E> 82,856,557 <DEPRECIATION> (56,678,393) <TOTAL-ASSETS> 31,859,777 <CURRENT-LIABILITIES> 0 <BONDS> 35,958,586 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 31,859,777 <SALES> 3,850,229 <TOTAL-REVENUES> 3,879,117 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 2,781,237 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 834,112 <INCOME-PRETAX> 263,768 <INCOME-TAX> 0 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 263,768 <EPS-PRIMARY> 0 <EPS-DILUTED> 0