Susan C. Cagann


On a clear day in Columbia, Missouri, a pedestrian may wonder why he suddenly senses an acrid taste in his mouth, or why his eyes begin to tear or sting. A car owner may notice paint coming off her car as she washes spots off its surface. The local effects of acid deposition on Missourians are relatively minor at the moment. Dr. Gray Henderson, a University of Missouri Professor in Forestry, Fish and Wildlife, attributes this to the geological composition of the state; limestone, a natural buffer to the effects of acid deposition, underlies vast portions of Missouri.' As a result, the devastating effects of acid deposition experienced by Canada and the northeastern United States are not yet apparent in Missouri.



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