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  1. The chalk and flint formation : its origin, in harmony with a very ancient and a scientific modern theory of the world, illustrated with facts and specimens / by W. B. Galloway.
    By: Galloway, William Brown.
    Publication info: London :S. Low, Marston, Searle, & Rivington,1886.
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
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