Effect of Fish Poisons on Water Supplies Part 3. Field Study at Dickinson

A contribution to the Journal by Jesse M. Cohen, Chemist; Quentin H. Pickering, Biologist; and Richard L. Woodward, Chief, Eng. Sec, all of Water Supply & Water Pollution Research Branch, Robert A. Taft San. Eng. Center, Cincinnati, Ohio; and Willis Van Heuvelen, Director of Public Health, State Dept. of Health, Bismarck, N.D. This is the last of three articles on the effect of fish poisons on water supplies. Part 1, on removal of toxic materials, was published in the December 1960 Journal; Part 2, on odor problems, in t e January 1961 Journal.