Rounsefell, George A. 1905- Large-scale experimental test of copper sulfate as a control for the Florida red tide, by George A. Rounsefell and John E. Evans. - Washington, U.S. Dept. of the Interior, Fish and Wildlife Service, 1958. - 57 p. maps, diagrs., tables. 27 cm. Bibliography: p. 4. LCCN: int59000024 Subjects--Topical Terms: Gymnodinium breve.Copper sulphate. LC Class. No.: SH11 / .A335 no. 270