<ARTICLE> 5 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-END> DEC-31-1998 <CASH> 1,001,312 <SECURITIES> 0 <RECEIVABLES> 120,334 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 960,505 <PP&E> 6,424,780 <DEPRECIATION> 5,026,922 <TOTAL-ASSETS> 2,552,024 <CURRENT-LIABILITIES> 179,250 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 1,504,193 <TOTAL-LIABILITY-AND-EQUITY> 2,552,024 <SALES> 4,182,639 <TOTAL-REVENUES> 4,255,720 <CGS> 2,549,103 <TOTAL-COSTS> 2,549,103 <OTHER-EXPENSES> 664,552 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 77,875 <INCOME-PRETAX> 964,190 <INCOME-TAX> 0 <INCOME-CONTINUING> 964,190 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 964,190 <EPS-PRIMARY> 190.91 <EPS-DILUTED> 190.91