Natural Resources of Virginia and West Virginia - p399

B. G. Underwood

doi:10.1038/scientificamerican12241892-399

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Progress of Our Navy - p400

doi:10.1038/scientificamerican12241892-400

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The Use of Photography in Physical Research - pp400 - 402

doi:10.1038/scientificamerican12241892-400a

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Fall of a Railway Bridge at Terre Haute - p402

doi:10.1038/scientificamerican12241892-402

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The Tallest Wrought Iron Chimney - pp402 - 403

doi:10.1038/scientificamerican12241892-402a

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The Bohemian Twins - p403

doi:10.1038/scientificamerican12241892-403

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An Improved Automatic Boiler Feed - p403

doi:10.1038/scientificamerican12241892-403a

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To Inventors - p409

doi:10.1038/scientificamerican12241892-409c

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