<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM MESA ROYALTY
TRUST FORM 10-Q FOR THE QUARTERLY PERIOD ENDED 09/30/00 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERECE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> SEP-30-2000
<CASH> 0
<SECURITIES> 2,254,495
<RECEIVABLES> 32,119
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 2,286,614
<PP&E> 42,498,034
<DEPRECIATION> 30,660,949
<TOTAL-ASSETS> 14,123,699
<CURRENT-LIABILITIES> 2,286,614
<BONDS> 0
0
0
<COMMON> 0
<OTHER-SE> 11,837,085
<TOTAL-LIABILITY-AND-EQUITY> 14,123,699
<SALES> 5,306,743
<TOTAL-REVENUES> 5,378,927
<CGS> 0
<TOTAL-COSTS> 0
<OTHER-EXPENSES> 21,887
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> 5,357,040
<INCOME-TAX> 0
<INCOME-CONTINUING> 0
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 5,357,040
<EPS-BASIC> 2.87
<EPS-DILUTED> 2.87
</TABLE>