<ARTICLE> 5 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-END> DEC-31-1995 <CASH> 248,504 <SECURITIES> 0 <RECEIVABLES> 110,417 <ALLOWANCES> 9,684 <INVENTORY> 0 <CURRENT-ASSETS> 0 <PP&E> 4,920,653 <DEPRECIATION> 4,119,232 <TOTAL-ASSETS> 1,189,380 <CURRENT-LIABILITIES> 0 <BONDS> 0 <COMMON> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 1,145,317 <TOTAL-LIABILITY-AND-EQUITY> 1,189,380 <SALES> 0 <TOTAL-REVENUES> 916,158 <CGS> 0 <TOTAL-COSTS> 656,617 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 259,541 <INCOME-TAX> 0 <INCOME-CONTINUING> 259,541 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 259,541 <EPS-PRIMARY> 0 <EPS-DILUTED> 0