<ARTICLE> 5 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> DEC-31-1997 <CASH> 143,280 <SECURITIES> 600 <RECEIVABLES> 42,601 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 186,481 <PP&E> 4,001,642 <DEPRECIATION> 1,672,315 <TOTAL-ASSETS> 2,515,808 <CURRENT-LIABILITIES> 19,221 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,496,587 <TOTAL-LIABILITY-AND-EQUITY> 2,515,808 <SALES> 0 <TOTAL-REVENUES> 492,389 <CGS> 0 <TOTAL-COSTS> 89,033 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 403,356 <INCOME-TAX> 0 <INCOME-CONTINUING> 403,356 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 403,356 <EPS-PRIMARY> 45.63 <EPS-DILUTED> 45.63