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  1. Ontario hardwood decline survey, 1989 and 1990 /
    By: Beak Consultants. - Ontario. Phytotoxicology Section.
    Publication info: Brampton, Ont. :The Section,1993.
    Holding Institution: Ontario Ministry of the Environment (
    Subjects: Effect of acid precipitation on  Forest declines  Forest surveys  Hardwoods  Ontario  
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  2. Stand dynamics in Connecticut forests-the new series plots (1959-2000) /
    By: Ward, Jeffrey S. - Connecticut Agricultural Experiment Station.
    Publication info: New Haven :Connecticut Agricultural Experiment Station,[2005]
    Holding Institution: University of Connecticut Libraries (
    Subjects: Connecticut  Defoliation  Forest declines  Forest health  
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