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1 <br /> <br />1 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />1 <br /> <br />Drawing of Colorado squawfish Ptychocheilus lucius on front cover is from <br />Behnke and Benson (1983) and used with permission of the Cooperative <br />Extension Service, Colorado State University. It was drawn by Doris Rust, <br />Colorado State University. ' <br />