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EXHIBIT 15.1
Cross Timbers Oil Company:
We are aware that Cross Timbers Oil Company has incorporated by reference in its
Registration Statements on Form S-8 (Nos. 33-65238, 33-81766, 333-35229, 333-
36569, 333-68775, 333-69977, 333-35830-01 and 333-81849), on Form S-3 (No. 333-
46909) of Cross Timbers Oil Company, on Form S-3 (No. 333-56983) of Cross
Timbers Oil Company and Cross Timbers Royalty Trust, and on Form S-3 of Cross
Timbers Oil Company and Form S-1 of Texas Permian Trust (No. 333-85777) its Form
10-Q for the quarter ended June 30, 2000, which includes our report dated July
21, 2000, covering the unaudited interim financial information contained
therein. Pursuant to Regulation C of the Securities Act of 1933, that report is
not considered a part of the registration statement prepared or certified by our
firm or a report prepared or certified by our firm within the meaning of
Sections 7 and 11 of the Act.
ARTHUR ANDERSEN LLP
Fort Worth, Texas
August 14, 2000
