38 resultados para Occurrence record.
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"July 1934."
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Mode of access: Internet.
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Includes bibliographical references (p. 156-168).
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Includes bibliography.
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Mode of access: Internet.
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Mode of access: Internet.
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Appendix B. Bibliography. Canada and the United States. Appendix C. Gypsum deposits of the maritime provinces. W.F. Jennison.
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Vol. 1, 2d ed. rev., 1920.