<ARTICLE> 5 <MULTIPLIER> 1 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> DEC-31-1997 <EXCHANGE-RATE> 1 <CASH> 99,503 <SECURITIES> 0 <RECEIVABLES> 5,400 <ALLOWANCES> 2,700 <INVENTORY> 0 <CURRENT-ASSETS> 102,203 <PP&E> 1,333,626 <DEPRECIATION> 407,462 <TOTAL-ASSETS> 1,028,366 <CURRENT-LIABILITIES> 21,609 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 1,006,757 <TOTAL-LIABILITY-AND-EQUITY> 1,028,366 <SALES> 0 <TOTAL-REVENUES> 232,967 <CGS> 0 <TOTAL-COSTS> 143,286 <OTHER-EXPENSES> 52,718 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 36,963 <INCOME-TAX> 0 <INCOME-CONTINUING> 36,963 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 36,963 <EPS-PRIMARY> 8.34 <EPS-DILUTED> 8.34