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Assessment of the toxity of arsenic, cadium, lead and zinc in soil, plants, and livestock in the Helena Valley for East Helena site (ASARCO), East Helena, Montana.
By: Asarco Inc. - Black & Veatch. - CH2M Hill, inc. - United States.
Publication info: Mont.? :U.S. EPA?,1987
Contributed by: Montana State Library (archive.org)
Subjects: Effect of heavy metals on Environmental aspects Livestock Montana Plants Prickly Pear Creek Valley Soil pollution Toxicity testing
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Phytotoxicology Section investigation in the vicinity of Ethyl Corporation, Corunna, Ontario, August 23, 1989 : report / prepared by Phytotoxicology Section, Air Resources Branch, Ontario Ministry of the Environment.
By: Ontario.
Publication info: [Toronto] :The Section,1991.
Contributed by: Ontario Ministry of the Environment (archive.org)
Subjects: Air Corunna Effect of heavy metals on Ethyl Corporation Maple Measurement Ontario Pollution Vegetation surveys
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