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In page Anne Phillips (geologist):

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Anne and John had a good relationship with William Smith and they always kept in touch. Smith acknowledged Anne’s work and referred to the contributions she made to her brother’s book. In one of his letters to Anne he thanked her for the second edition of John’s book Guide to Geology and wrote that her love for fossils encouraged him to do more searches.[citation needed] Miss Phillips conglomerate have become collector’s items in present day.[6]