<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> MAR-31-1999 <CASH> 117,499 <SECURITIES> 1,364 <RECEIVABLES> 40,349 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 159,212 <PP&E> 3,943,835 <DEPRECIATION> 1,557,996 <TOTAL-ASSETS> 2,545,051 <CURRENT-LIABILITIES> 22,475 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,522,576 <TOTAL-LIABILITY-AND-EQUITY> 2,545,051 <SALES> 0 <TOTAL-REVENUES> 115,590 <CGS> 0 <TOTAL-COSTS> 35,848 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 79,742 <INCOME-TAX> 0 <INCOME-CONTINUING> 79,742 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 79,742 <EPS-PRIMARY> 2.92 <EPS-DILUTED> 2.92