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Please read BHL's Acknowledgment of Harmful Content
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  1. 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
    Holding Institution: Montana State Library
    Subjects: Effect of fluorides on  Environmental aspects  Flathead National Forest  Fluorides  Glacier National Park  Montana  Plants  Pollution  
  2. By: Gizyn, W. I.
    Publication info: [Toronto], Environment Ontario, [1991]
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Air  Effect of air pollution on  Environmental aspects  Fluorides  Industries  Ontario  Physiological effect  Plants  Pollution  Sodium  
  3. By: Ontario. Ministry of Environment and Energy. - Emerson, R. N.
    Publication info: Toronto, Ministry of Environment and Energy, 1994
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Cornwall Island  Fluorides  Ontario  Phytotoxins  Toxicity testing  Toxicology  Vegetation surveys