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Notes

Nature volume 73, pages 132–135 (1905)Cite this article

Abstract

THE Hayden memorial gold medal has been awarded by the Academy of Natural Sciences of Philadelphia to Mr. C. D. Walcott, director of the U.S. Geological Survey, in recognition of the value of his individual contributions to geological science.

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Notes . Nature 73, 132–135 (1905). https://doi.org/10.1038/073132b0

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