957 resultados para Geographic originality
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Pub. also as thesis (Ph. D.) Columbia university, 1915.
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Includes index.
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"October 1983"--P. [1]
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"Issued May 1983."
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Contribution from Bureau of Entomology and Plant Quarantine.
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"Suggested readings for the teacher or class" at end of most of the chapters.
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Latest issue consulted: 2001 (surrogate).
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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"December 1965."
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Mode of access: Internet.
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Item 617
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Mode of access: Internet.
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"Prepared in the Division of Geography, Department of the Interior, Washington, D.C. April 1950."