Abstract
WHEN a book by an authoritative writer like Prof. Ries reaches its third edition, the task of a reviewer is usually little more than to indicate to what extent it has been brought up-to-date, and what important changes (if any) have been made either in the subject-matter or its treatment.
Clays, their Occurrence, Properties and Uses: with Especial Reference to those of the United States and Canada.
By Prof. Heinrich Ries. Third edition, revised and enlarged. Pp. vii + 613. (New York: John Wiley and Sons, Inc.; London: Chapman and Hall, Ltd., 1927.) 35s. net.
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Geology and Mining. Nature 122, 537 (1928). https://doi.org/10.1038/122537c0
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DOI: https://doi.org/10.1038/122537c0