<ARTICLE> 5 <PERIOD-TYPE> 6-mos <FISCAL-YEAR-END> Dec-31-1997 <PERIOD-END> Jun-30-1997 <CASH> 2,540,992 <SECURITIES> 000 <RECEIVABLES> 000 <ALLOWANCES> 000 <INVENTORY> 000 <CURRENT-ASSETS> 000 <PP&E> 26,080,035 <DEPRECIATION> 10,147,588 <TOTAL-ASSETS> 25,844,974 <CURRENT-LIABILITIES> 1,040,851 <BONDS> 000 <COMMON> 000 <PREFERRED-MANDATORY> 000 <PREFERRED> 000 <OTHER-SE> 24,804,123 <TOTAL-LIABILITY-AND-EQUITY> 25,844,974 <SALES> 2,427,500 <TOTAL-REVENUES> 2,487,952 <CGS> 000 <TOTAL-COSTS> 1,318,591 <OTHER-EXPENSES> 500,530 <LOSS-PROVISION> 000 <INTEREST-EXPENSE> 000 <INCOME-PRETAX> 668,831 <INCOME-TAX> 000 <INCOME-CONTINUING> 668,831 <DISCONTINUED> 000 <EXTRAORDINARY> 000 <CHANGES> 000 <NET-INCOME> 668,831 <EPS-PRIMARY> 4.39 <EPS-DILUTED> 4.39