<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM MESA ROYALTY TRUST 1997 SECOND QUARTER REPORT AND FORM 10-Q AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH 1997 SECOND QUARTER REPORT AND FORM 10-Q. </LEGEND> <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-END> JUN-30-1997 <CASH> 0 <SECURITIES> 1,636,725 <RECEIVABLES> 15,915 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 1,652,640 <PP&E> 42,498,034 <DEPRECIATION> 26,101,548 <TOTAL-ASSETS> 18,049,126 <CURRENT-LIABILITIES> 1,652,640 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 16,396,486 <TOTAL-LIABILITY-AND-EQUITY> 18,049,126 <SALES> 5,511,830 <TOTAL-REVENUES> 5,568,521 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 18,578 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 5,549,943 <INCOME-TAX> 0 <INCOME-CONTINUING> 5,549,943 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 5,549,943 <EPS-PRIMARY> 2.978 <EPS-DILUTED> 2.978