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  1. Bibliography of the geology, paleontology, mineralogy, petrology, and mineral resources of Oregon, by Chas. W. Henderson and J. B. Winstanley, with subject index by Graham J. Michael.
    By: Henderson, Charles W. - Michael, Graham John. - Winstanley, J. B.
    Publication info: Eugene, Or.,1912
    Contributed by: University of California Libraries (archive.org)
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