<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-END> JUN-30-1995 <CASH> 130,167 <SECURITIES> 0 <RECEIVABLES> 647,767 <ALLOWANCES> 0 <INVENTORY> 107,345 <CURRENT-ASSETS> 885,279 <PP&E> 91,766,831 <DEPRECIATION> (87,446,564) <TOTAL-ASSETS> 5,205,546 <CURRENT-LIABILITIES> 243,751 <BONDS> 0 <COMMON> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 4,961,795 <TOTAL-LIABILITY-AND-EQUITY> 5,205,546 <SALES> 1,435,006 <TOTAL-REVENUES> 1,447,896 <CGS> 1,024,309 <TOTAL-COSTS> 1,024,309 <OTHER-EXPENSES> 468,890 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> (58,193) <INCOME-TAX> 0 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (58,193) <EPS-PRIMARY> 0 <EPS-DILUTED> 0