<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> JUN-30-1999 <CASH> 90,032 <SECURITIES> 452 <RECEIVABLES> 25,749 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 116,233 <PP&E> 3,011,349 <DEPRECIATION> 973,168 <TOTAL-ASSETS> 2,154,414 <CURRENT-LIABILITIES> 24,191 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 1,992,270 <TOTAL-LIABILITY-AND-EQUITY> 2,154,414 <SALES> 0 <TOTAL-REVENUES> 155,629 <CGS> 0 <TOTAL-COSTS> 80,020 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 75,609 <INCOME-TAX> 0 <INCOME-CONTINUING> 75,609 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 75,609 <EPS-BASIC> 0.45 <EPS-DILUTED> 0.45