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  1. Environmental pollution by fluorides in Flathead National Forest and Glacier National Park /
    By: Carlson, Clinton E. - Dewey, Jerald E.
    Publication info: Missoula, Mont. :U. S. Dept. of Agriculture, Forest Service, Northern Region Headquarters, Division of State and Private Forestry, Forest Insect and Disease Branch,1971.
    Contributed by: Montana State Library (
    Subjects: Effect of fluorides on  Environmental aspects  Flathead National Forest  Fluorides  Glacier National Park  Montana  Plants  Pollution  
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  2. Foliage chemistry surveys in the vicinity of Allied Chemicals Canada Incorporated and General Chemical Canada Limited, Amherstburg, Ontario in 1988, 1989 and 1990 : report / prepared by William I. Gizyn.
    By: Gizyn, W. I.
    Publication info: [Toronto] :Environment Ontario[1991]
    Contributed by: Ontario Ministry of the Environment (
    Subjects: Air  Effect of air pollution on  Environmental aspects  Fluorides  Industries  Ontario  Physiological effect  Plants  Pollution  Sodium  
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  3. Phytotoxicology vegetation assessment survey, Cornwall Island, Ontario, 1993.
    By: Ontario. - Emerson, R. N.
    Publication info: Toronto :Ministry of Environment and Energy,1994.
    Contributed by: Ontario Ministry of the Environment (
    Subjects: Cornwall Island  Fluorides  Ontario  Phytotoxins  Toxicity testing  Toxicology  Vegetation surveys  
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