<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-END> MAR-31-1995 <CASH> 9,898 <SECURITIES> 0 <RECEIVABLES> 19,768 <ALLOWANCES> 0 <INVENTORY> 4,586 <CURRENT-ASSETS> 34,252 <PP&E> 1,748,411 <DEPRECIATION> (1,263,090) <TOTAL-ASSETS> 519,573 <CURRENT-LIABILITIES> 50,358 <BONDS> 0 <COMMON> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 316,390 <TOTAL-LIABILITY-AND-EQUITY> 519,573 <SALES> 39,388 <TOTAL-REVENUES> 39,388 <CGS> 40,137 <TOTAL-COSTS> 40,137 <OTHER-EXPENSES> 8,945 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> (9,694) <INCOME-TAX> 0 <INCOME-CONTINUING> (9,694) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (9,694) <EPS-PRIMARY> 0 <EPS-DILUTED> 0