<ARTICLE> 5 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> DEC-31-1999 <EXCHANGE-RATE> 1 <CASH> 534,003 <SECURITIES> 0 <RECEIVABLES> 508,387 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 0 <PP&E> 31,982,367 <DEPRECIATION> 17,141,878 <TOTAL-ASSETS> 31,785,098 <CURRENT-LIABILITIES> 2,337,857 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> (10,496,480) <TOTAL-LIABILITY-AND-EQUITY> 31,785,098 <SALES> 17,605,125 <TOTAL-REVENUES> 17,605,125 <CGS> 0 <TOTAL-COSTS> 14,950,666 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 3,488,367 <INCOME-PRETAX> (1,043,449) <INCOME-TAX> 0 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (1,043,449) <EPS-BASIC> 0 <EPS-DILUTED> 0