<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1997 <PERIOD-END> SEP-30-1997 <CASH> 3,234,069 <SECURITIES> 638,615 <RECEIVABLES> 1,578,727 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 5,451,411 <PP&E> 20,995,829 <DEPRECIATION> 10,392,826 <TOTAL-ASSETS> 16,054,414 <CURRENT-LIABILITIES> 455,993 <BONDS> 5,045,326 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 10,553,095 <TOTAL-LIABILITY-AND-EQUITY> 16,054,414 <SALES> 0 <TOTAL-REVENUES> 3,307,902 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 2,393,683 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 284,409 <INCOME-PRETAX> 629,810 <INCOME-TAX> 0 <INCOME-CONTINUING> 629,810 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 629,810 <EPS-PRIMARY> 0 <EPS-DILUTED> 0