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Author(s): <a href='https://dar.bibalex.org/en/Search/ExactResults.aspx?format_Id=1&author=Graham%2C%20Samuel%20Alexander'> Graham, Samuel Alexander
Publication Date: 1915.
Contributor(s): <a href='https://dar.bibalex.org/en/Contributor/ContributorItems.aspx?contributor=Biodiversity%20Heritage%20Library&format_id=1'> Biodiversity Heritage Library
Collection(s): <a href='https://dar.bibalex.org/en/Collection/CollectionItems.aspx?collection=Biodiversity%20Heritage%20Library&format_id=1'> Biodiversity Heritage Library
Category: <a href='https://dar.bibalex.org/en/Category/CategoryDetails.aspx?mainCat=Others&format_id=1'> Others
Subject(s): Forests and forestry ,&nbsp; Seeds ,&nbsp; White pine
Keywords: White pine Seeds Forests and forestry

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A study of the periodicity of seed years and direction of seed distribution of the white pine in the vicinity of Ithaca, N. Y.