<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> SEP-30-1997 <PERIOD-START> OCT-01-1996 <PERIOD-END> JUN-30-1997 <CASH> 365,856 <SECURITIES> 0 <RECEIVABLES> 14,986 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 387,762 <PP&E> 2,395,416 <DEPRECIATION> 1,811,066 <TOTAL-ASSETS> 982,930 <CURRENT-LIABILITIES> 86,361 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 896,569 <TOTAL-LIABILITY-AND-EQUITY> 982,930 <SALES> 673,973 <TOTAL-REVENUES> 691,491 <CGS> 488,030 <TOTAL-COSTS> 488,030 <OTHER-EXPENSES> 104,963 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 98,498 <INCOME-TAX> 0 <INCOME-CONTINUING> 98,498 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 98,498 <EPS-PRIMARY> 13.93 <EPS-DILUTED> 13.93