<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> JUN-30-1998 <CASH> 2,949,152 <SECURITIES> 169,621 <RECEIVABLES> 907,474 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 4,026,247 <PP&E> 16,597,834 <DEPRECIATION> 8,734,997 <TOTAL-ASSETS> 11,889,084 <CURRENT-LIABILITIES> 522,802 <BONDS> 3,958,317 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 7,380,965 <TOTAL-LIABILITY-AND-EQUITY> 11,889,084 <SALES> 0 <TOTAL-REVENUES> 1,397,326 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 1,031,036 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 169,780 <INCOME-PRETAX> 196,510 <INCOME-TAX> 0 <INCOME-CONTINUING> 196,510 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 196,510 <EPS-PRIMARY> 0 <EPS-DILUTED> 0