01086cam a22003011a 4500 agr64000277 DLC 20260227111023.0 790313s1964 dcu b f001 0 eng c agr64000277 (OCoLC)4736533 U.S. Nat'l Agr. Libr. NAlfUA DNAL DLC n-us-tx SB951 .B85 1 Ag84Ah no.263 H000 Butt, B. A. (Billy A.), 1931- Materials evaluated as insecticides and acaricides at Brownsville, Tex., September 1955 to June 1961 / by B.A. Butt and J.C. Keller. Washington, D.C. : Agricultural Research Service, U.S. Dept. of Agriculture, 1964. ii, 95 p. ; 26 cm. Agriculture handbook / United States Department of Agriculture ; no. 263 Bibliography: p. 2. Includes indexes. Insecticides. Acaricides. Keller, John C., 1918- Agriculture handbook (United States. Department of Agriculture) ; no. 263. 11940 11940