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Start Over Authors Schoolcraft, Henry Rowe, 1793-1864 ✖Remove constraint Authors: Schoolcraft, Henry Rowe, 1793-1864 Titles A memoir on the geological position of a fossil tree: discovered in the secondary rocks of the river Des Plaines : read before the American Geological Society ✖Remove constraint Titles: A memoir on the geological position of a fossil tree: discovered in the secondary rocks of the river Des Plaines : read before the American Geological Society

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  • A memoir on the geological position of a fossil tree: discovered in the secondary rocks of the river Des Plaines : read before the American Geological Society1