<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-END> JUN-30-1998 <CASH> 87,516 <SECURITIES> 0 <RECEIVABLES> 5,400 <ALLOWANCES> 2,700 <INVENTORY> 0 <CURRENT-ASSETS> 90,216 <PP&E> 1,368,791 <DEPRECIATION> 425,462 <TOTAL-ASSETS> 1,033,545 <CURRENT-LIABILITIES> 21,485 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 1,012,060 <TOTAL-LIABILITY-AND-EQUITY> 1,033,545 <SALES> 0 <TOTAL-REVENUES> 108,474 <CGS> 0 <TOTAL-COSTS> 66,326 <OTHER-EXPENSES> 37,700 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 5,302 <INCOME-TAX> 0 <INCOME-CONTINUING> 5,302 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 5,302 <EPS-PRIMARY> 1.20 <EPS-DILUTED> 1.20