<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> JUN-30-1998 <CASH> 874,174 <SECURITIES> 0 <RECEIVABLES> 988,855 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 0 <PP&E> 28,028,739 <DEPRECIATION> 14,252,603 <TOTAL-ASSETS> 34,698,371 <CURRENT-LIABILITIES> 2,547,321 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 778,202 <TOTAL-LIABILITY-AND-EQUITY> 34,698,371 <SALES> 7,287,515 <TOTAL-REVENUES> 7,287,515 <CGS> 0 <TOTAL-COSTS> 6,220,407 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 1,295,584 <INCOME-PRETAX> (313,797) <INCOME-TAX> 0 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (313,797) <EPS-PRIMARY> 0 <EPS-DILUTED> 0