Title: Control of black flies in the Athabasca River
Subjects: Aquatic animals, Cattle, Control, Effect of insecticides on, Effect of water pollution on, Environmental aspects, Environmental aspects of Insecticides, Environmental aspects of Methoxychlor, Insecticides, Methoxychlor, Parasites, Pollution, Simulium arcticum, Water
Places: Alberta, Athabasca River