<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-END> SEP-30-1996 <CASH> 160,163 <SECURITIES> 8,250 <RECEIVABLES> 30,130 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 198,543 <PP&E> 433,616 <DEPRECIATION> (225,861) <TOTAL-ASSETS> 493,086 <CURRENT-LIABILITIES> 12,103 <BONDS> 0 <COMMON> 57,914 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 423,069 <TOTAL-LIABILITY-AND-EQUITY> 493,086 <SALES> 133,784 <TOTAL-REVENUES> 157,082 <CGS> 0 <TOTAL-COSTS> 46,136 <OTHER-EXPENSES> 70,490 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 223 <INCOME-PRETAX> 40,456 <INCOME-TAX> 0 <INCOME-CONTINUING> 40,456 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 40,456 <EPS-PRIMARY> .08 <EPS-DILUTED> .08