<ARTICLE> 5 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> DEC-31-1998 <CASH> 38,025 <SECURITIES> 0 <RECEIVABLES> 0 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 38,025 <PP&E> 180,000,000 <DEPRECIATION> 107,124,178 <TOTAL-ASSETS> 73,313,847 <CURRENT-LIABILITIES> 169,384 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 73,144,463 <TOTAL-LIABILITY-AND-EQUITY> 73,313,847 <SALES> 7,440,433 <TOTAL-REVENUES> 7,461,541 <CGS> 0 <TOTAL-COSTS> 804,770 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 6,656,771 <INCOME-TAX> 0 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 6,656,771 <EPS-PRIMARY> .76 <EPS-DILUTED> .76