<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> JUN-30-1997 <CASH> 285,601 <SECURITIES> 1,000 <RECEIVABLES> 61,906 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 348,507 <PP&E> 9,158,347 <DEPRECIATION> 2,304,791 <TOTAL-ASSETS> 7,202,063 <CURRENT-LIABILITIES> 5,649 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 6,618,904 <TOTAL-LIABILITY-AND-EQUITY> 7,202,063 <SALES> 0 <TOTAL-REVENUES> 362,259 <CGS> 0 <TOTAL-COSTS> 164,650 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 197,609 <INCOME-TAX> 0 <INCOME-CONTINUING> 197,609 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 197,609 <EPS-PRIMARY> 4.13 <EPS-DILUTED> 4.13