<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> JUN-30-1998 <CASH> 125,114 <SECURITIES> 2,406 <RECEIVABLES> 41,002 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 168,522 <PP&E> 3,943,835 <DEPRECIATION> 1,517,361 <TOTAL-ASSETS> 2,594,996 <CURRENT-LIABILITIES> 15,169 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,579,827 <TOTAL-LIABILITY-AND-EQUITY> 2,594,996 <SALES> 0 <TOTAL-REVENUES> 231,926 <CGS> 0 <TOTAL-COSTS> 60,580 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 171,346 <INCOME-TAX> 0 <INCOME-CONTINUING> 171,346 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 171,346 <EPS-PRIMARY> 6.28 <EPS-DILUTED> 6.28