<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-END> JUN-30-1998 <CASH> 1,949,283 <SECURITIES> 0 <RECEIVABLES> 0 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 0 <PP&E> 81,653,377 <DEPRECIATION> (54,385,924) <TOTAL-ASSETS> 32,355,931 <CURRENT-LIABILITIES> 0 <BONDS> 36,473,177 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 32,355,931 <SALES> 7,358,692 <TOTAL-REVENUES> 7,445,965 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 5,746,147 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 1,681,624 <INCOME-PRETAX> 18,194 <INCOME-TAX> 0 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 18,194 <EPS-PRIMARY> 0 <EPS-DILUTED> 0