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  1. Assessment of the toxicity of arsenic, cadmium, 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. Hazardous Site Control Division.
    Publication info: Mont.? :U.S. EPA?,1987
    Holding Institution: Montana State Library (
    Subjects: Effect of heavy metals on  Environmental aspects  Livestock  Montana  Plants  Prickly Pear Creek Valley  Soil pollution  Toxicity testing  
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  2. Phytotoxicology Section investigation in the vicinity of Ethyl Corporation, Corunna, Ontario, August 23, 1989 : report /
    By: Ontario. Phytotoxicology Section.
    Publication info: [Toronto] :The Section,1991.
    Holding Institution: Ontario Ministry of the Environment (
    Subjects: Air  Corunna  Effect of heavy metals on  Ethyl Corporation  Maple  Measurement  Ontario  Pollution  Vegetation surveys  
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  3. Mercury in fish from the narrows in Parlby Creek-Buffalo Lake /
    By: Wu, Shaole, - Alberta Environmental Centre.
    Publication info: Vegreville, Alta. :Environmental Chemistry, Alberta Environmental Centre,May 1995.
    Holding Institution: University of Alberta Libraries (
    Subjects: Alberta  Analysis  Buffalo Lake (Alta.)  Effect of heavy metals on  Effect of water pollution on  Environmental aspects  Fishes  Mercury  Parlby Creek (Alta.)  Toxicology  
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