<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-END> JUN-30-1999 <CASH> 2,671,375 <SECURITIES> 0 <RECEIVABLES> 1,212,196 <ALLOWANCES> (78,539) <INVENTORY> 0 <CURRENT-ASSETS> 0 <PP&E> 62,780,002 <DEPRECIATION> (28,203,968) <TOTAL-ASSETS> 39,550,013 <CURRENT-LIABILITIES> 0 <BONDS> 18,821,130 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 39,550,013 <SALES> 4,289,308 <TOTAL-REVENUES> 4,359,577 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 4,243,503 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 738,917 <INCOME-PRETAX> 0 <INCOME-TAX> 0 <INCOME-CONTINUING> (622,843) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (622,843) <EPS-BASIC> 0 <EPS-DILUTED> 0