<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> JUN-30-1998 <CASH> 1,152,625 <SECURITIES> 0 <RECEIVABLES> 71,025 <ALLOWANCES> 0 <INVENTORY> 16,579 <CURRENT-ASSETS> 1,276,897 <PP&E> 3,520,789 <DEPRECIATION> (4,010,939) <TOTAL-ASSETS> 5,800,331 <CURRENT-LIABILITIES> 737,678 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> (1,841,282) <TOTAL-LIABILITY-AND-EQUITY> 5,800,331 <SALES> 1,856,107 <TOTAL-REVENUES> 1,856,107 <CGS> 0 <TOTAL-COSTS> 1,752,747 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 67,079 <INCOME-PRETAX> 103,360 <INCOME-TAX> 0 <INCOME-CONTINUING> 103,360 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 103,360 <EPS-PRIMARY> 22.97 <EPS-DILUTED> 0