<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> SEP-30-1998 <CASH> 455,904 <SECURITIES> 0 <RECEIVABLES> 23,253 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 524,681 <PP&E> 5,391,928 <DEPRECIATION> 3,377,016 <TOTAL-ASSETS> 2,572,887 <CURRENT-LIABILITIES> 224,186 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,348,701 <TOTAL-LIABILITY-AND-EQUITY> 2,572,887 <SALES> 2,425,588 <TOTAL-REVENUES> 2,475,682 <CGS> 1,878,496 <TOTAL-COSTS> 1,878,496 <OTHER-EXPENSES> 491,183 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 178,003 <INCOME-TAX> 0 <INCOME-CONTINUING> 178,003 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 178,003 <EPS-PRIMARY> 19.53 <EPS-DILUTED> 19.53