<ARTICLE> 5 <LEGEND> THE FINANCIAL DATA SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM MESA ROYALTY TRUST AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> DEC-31-1997 <CASH> 0 <SECURITIES> 2,071,790 <RECEIVABLES> 32,350 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 0 <PP&E> 42,498,034 <DEPRECIATION> 26,985,308 <TOTAL-ASSETS> 17,616,866 <CURRENT-LIABILITIES> 2,104,140 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 15,512,726 <TOTAL-LIABILITY-AND-EQUITY> 17,616,866 <SALES> 9,287,406 <TOTAL-REVENUES> 9,397,354 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 9,358,576 <INCOME-TAX> 0 <INCOME-CONTINUING> 9,358,576 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 9,358,576 <EPS-PRIMARY> 5.02 <EPS-DILUTED> 5.02