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Histoire des arbres forestiers de l'Amérique septentrionale considérés principalement sous les rapports de leur usage dans les arts et de leur introduction dans le commerce ainsi que d'après les avantages qu'ils peuvent offrir aux gouvernemens en Europe et aux
By: Michaux, François-André,
Publication info: Paris :De l'imprimerie de L. Haussmann,1813.
Contributed by: Canadiana.org (archive.org)
Subjects: America Beech Birch Forests and forestry Maple Natural resources Oak Trees
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Maple bladdergall mites.
By: Canada.
Edition: [Rev.].
Publication info: [Ottawa] :Agriculture Canada,[c1981]
Contributed by: Agriculture and Agri-Food Canada
Subjects: Diseases and pests Maple Maple bladdergall mites Mites
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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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