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  1. Notes on the presence of nitrates in orchard soils /
    By: Gourley, J. H. (Joseph Harvey), - Shunk, I. V. D.
    Publication info: Durham, N.H. :New Hampshire College of Agriculture and the Mechanic Arts,1916.
    Holding Institution: NCSU Libraries (archive.org)
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  2. Text-book of pomology,
    By: Gourley, J. H. (Joseph Harvey),
    Publication info: New York,Macmillan,1922.
    Holding Institution: NCSU Libraries (archive.org)
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