<ARTICLE> 5 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-END> DEC-31-1995 <CASH> 49,125 <SECURITIES> 1,924 <RECEIVABLES> 20,058 <ALLOWANCES> 1,711 <INVENTORY> 0 <CURRENT-ASSETS> 379,729 <PP&E> 1,754,290 <DEPRECIATION> 1,297,651 <TOTAL-ASSETS> 927,142 <CURRENT-LIABILITIES> 403,592 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 206,713 <OTHER-SE> 720,429 <TOTAL-LIABILITY-AND-EQUITY> 927,142 <SALES> 56,608 <TOTAL-REVENUES> 56,608 <CGS> 0 <TOTAL-COSTS> 52,486 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 4,085 <INCOME-PRETAX> 4,122 <INCOME-TAX> 0 <INCOME-CONTINUING> 4,122 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 4,122 <EPS-PRIMARY> 0 <EPS-DILUTED> 0