<ARTICLE> 5 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-END> DEC-31-1995 <CASH> 551,094 <SECURITIES> 0 <RECEIVABLES> 143,225 <ALLOWANCES> 6,649 <INVENTORY> 0 <CURRENT-ASSETS> 0 <PP&E> 9,069,165 <DEPRECIATION> 8,120,555 <TOTAL-ASSETS> 1,666,451 <CURRENT-LIABILITIES> 0 <BONDS> 0 <COMMON> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 1,626,136 <TOTAL-LIABILITY-AND-EQUITY> 1,666,451 <SALES> 0 <TOTAL-REVENUES> 1,254,597 <CGS> 0 <TOTAL-COSTS> 1,079,423 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 175,174 <INCOME-TAX> 0 <INCOME-CONTINUING> 175,174 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 175,174 <EPS-PRIMARY> 0 <EPS-DILUTED> 0