A Few Facts Regarding the Geological Survey of Pennsylvania, Exposing the Erroneous Statements and Claims of J. P. Lesley, Secretary of the American Iron Association

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A Few Facts Regarding the Geological Survey of Pennsylvania

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A Few Facts Regarding the Geological Survey of Pennsylvania,

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A Bibliography of American Natural History: The institutions which have contributed to the rise and progress of American natural history, which were founded or organized between 1769 and 1844

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Subtitle; The role played by the scientific societies; scientific journals; natural history museums and botanic gardens; state geological and natural history su

Henry Darwin Rogers, 1808–1866

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Henry Darwin Rogers is a familiar figure in the history of American geology, especially as the director of the first state geological surveys of New Jersey and