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  1. Notes on soils, an outline for an elementary course in soils, by A.R. Whitson ... H.L. Walster ...
    By: Whitson, A. R. (Andrew R.), - Walster, Harlow L.
    Publication info: Madison, Wis.,The authors[c1909]
    Holding Institution: Library of Congress
    BHL Collections: Library of Congress
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