<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-END> JUN-30-1998 <CASH> 5,410,403 <SECURITIES> 0 <RECEIVABLES> 1,584,359 <ALLOWANCES> (536,718) <INVENTORY> 0 <CURRENT-ASSETS> 0 <PP&E> 61,811,463 <DEPRECIATION> (25,594,602) <TOTAL-ASSETS> 43,772,284 <CURRENT-LIABILITIES> 0 <BONDS> 21,244,192 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 43,772,284 <SALES> 4,405,034 <TOTAL-REVENUES> 4,595,886 <CGS> 0 <TOTAL-COSTS> 4,096,813 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 861,114 <INCOME-PRETAX> 0 <INCOME-TAX> 0 <INCOME-CONTINUING> (362,041) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (362,041) <EPS-PRIMARY> 0 <EPS-DILUTED> 0