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October 2, 1972
Mr. Ben White Baker & Botts One Shell Plaza Houston, Texas 77002 Dear Ben: Enclosed cony of corre oondcnce received from the National Association of Securities Dealers, Inc. We would appreciate your advice as to whether or not we would be required to comply with Rule lOb-17 of the Securities Exchange Act of 1934. Yours very truly, H. L. Williams Executive Vice President HLW:djb