<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> JUN-30-1996 <CASH> 1,470,510 <SECURITIES> 0 <RECEIVABLES> 96,336 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 1,566,846 <PP&E> 5,105,613 <DEPRECIATION> 4,291,899 <TOTAL-ASSETS> 2,380,560 <CURRENT-LIABILITIES> 182,012 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,198,548 <TOTAL-LIABILITY-AND-EQUITY> 2,380,560 <SALES> 0 <TOTAL-REVENUES> 336,600 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 334,247 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 2,353 <INCOME-TAX> 0 <INCOME-CONTINUING> 2,353 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 2,353 <EPS-PRIMARY> 0 <EPS-DILUTED> 0