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Creator Martin, Geoffrey, 1881-1966 Remove constraint Creator: Martin, Geoffrey, 1881-1966

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    • 1913

    In Chapter XI on carbon dioxide, Geoffrey Martin discusses limestone rocks and formations. Of Mammoth Cave in Kentucky, he writes:

    "One distant and dangerous abyss, called the Maelstrom, was first explored by a boy,…

    • A Popular Treatise on Modern Chemistry and its Marvels, written in Non-Technical Language for General Readers and Students
    • 1913