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  1. Lithological studies : a description and classification of the rocks of the Cordilleras / by M.E. Wadsworth. With eight plates.
    By: Wadsworth, M. Edward
    Publication info: Cambridge :Printed for the Museum,1884.
    Contributed by: Harvard University, MCZ, Ernst Mayr Library
    BHL Collections: Ernst Mayr Library of the MCZ, Harvard University
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