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  1. Biogeochemistry project update : snow cores 1989-1992 : Plastic Lake & Harp Lake : report / prepared by J.G. Findeis, B.D. LaZerte and L.D. Scott.
    By: Findeis, J. G. - Ontario. Water Resources Branch.
    Publication info: [Toronto] :Water Resources Branch, Ontario Ministry of Environment and Energy,1993.
    Contributed by: Ontario Ministry of the Environment (
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