<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> JUN-30-1996 <CASH> 1,476,367 <SECURITIES> 0 <RECEIVABLES> 286,057 <ALLOWANCES> 15,000 <INVENTORY> 0 <CURRENT-ASSETS> 1,762,424 <PP&E> 21,864,139 <DEPRECIATION> 18,032,481 <TOTAL-ASSETS> 5,579,082 <CURRENT-LIABILITIES> 447,294 <BONDS> 600,854 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 4,530,934 <TOTAL-LIABILITY-AND-EQUITY> 5,579,082 <SALES> 0 <TOTAL-REVENUES> 1,528,595 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 907,740 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 30,436 <INCOME-PRETAX> 620,855 <INCOME-TAX> 0 <INCOME-CONTINUING> 620,855 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 620,855 <EPS-PRIMARY> 0 <EPS-DILUTED> 0