<ARTICLE> 5 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1997 <PERIOD-END> DEC-31-1997 <CASH> 3,530,868 <SECURITIES> 319,307 <RECEIVABLES> 2,049,634 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 5,899,809 <PP&E> 20,792,903 <DEPRECIATION> 10,784,619 <TOTAL-ASSETS> 15,908,093 <CURRENT-LIABILITIES> 432,756 <BONDS> 4,768,982 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 10,706,355 <TOTAL-LIABILITY-AND-EQUITY> 15,908,093 <SALES> 0 <TOTAL-REVENUES> 4,669,470 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 3,061,470 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 355,277 <INCOME-PRETAX> 1,252,723 <INCOME-TAX> 0 <INCOME-CONTINUING> 1,252,723 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,252,723 <EPS-PRIMARY> 0 <EPS-DILUTED> 0