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  1. The principles of soil management,
    By: Lyon, Thomas Lyttleton, - Fippin, Elmer Otterbein,
    Edition: 2d ed.
    Publication info: New YorkMacmillan1910
    Contributed by: Earth Sciences - University of Toronto (archive.org)
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  2. Rural New York, by Elmer O. Fippin ...
    By: Fippin, Elmer Otterbein,
    Publication info: New York :The Macmillan company,1921.
    Contributed by: University of California Libraries (archive.org)
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  3. Soils, their properties and management,
    By: Lyon, Thomas Lyttleton, - Buckman, Harry Oliver, - Fippin, Elmer Otterbein,
    Publication info: New YorkMacmillan1920
    Contributed by: Robarts - University of Toronto (archive.org)
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  4. Soils, their properties and management, by T. Lyttleton Lyon ... Elmer O. Fippin ... Harry O. Buckman ...
    By: Lyon, T. L. - Buckman, Harry Oliver, - Fippin, Elmer Otterbein,
    Publication info: New York,Macmillan company,1915.
    Contributed by: Library of Congress
    BHL Collections: Library of Congress
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