<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> JUN-30-1996 <CASH> 1,855,663 <SECURITIES> 0 <RECEIVABLES> 384,046 <ALLOWANCES> 10,000 <INVENTORY> 0 <CURRENT-ASSETS> 2,229,709 <PP&E> 19,295,504 <DEPRECIATION> 13,202,563 <TOTAL-ASSETS> 6,092,941 <CURRENT-LIABILITIES> 835,477 <BONDS> 332,250 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 7,154,923 <TOTAL-LIABILITY-AND-EQUITY> 8,322,650 <SALES> 0 <TOTAL-REVENUES> 1,286,477 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 408,742 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 12,000 <INCOME-PRETAX> 877,735 <INCOME-TAX> 0 <INCOME-CONTINUING> 877,735 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 877,735 <EPS-PRIMARY> 0 <EPS-DILUTED> 0