The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.
From page 335... ...
. JOSEPH HENRY ~ acting)
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. April I 6, 1880 April 23, 1886 WOLCOTT GIBBS .
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S Geological Survey, Washington, D
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S Geological Survey, Washington, D
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F.. .American Museum of Natural History, New York City.
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S Geological Survey, Washington, D
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